Document:

EXHIBIT
      10.7

    

    

    UNLIMITED
      GUARANTY

     

    TO: Manufacturers
      and Traders Trust Company, a
      New
      York banking corporation
      (the
      "Bank")

     

    RE: PREMIER
      ONCOLOGY MANAGEMENT OF NASSAU, LLC, a New York limited liability
      company
      (the
      "Borrower")

    

    To
      induce
      the Bank to make or continue to make loans, advances, or grant other financial
      accommodations to the Borrower, in consideration thereof and for loans, advances
      or financial accommodations heretofore or hereafter granted by the Bank to
      or
      for the account of the Borrower, the undersigned THE
      SAGEMARK COMPANIES LTD.
      (the
      "Guarantor") absolutely and unconditionally guarantees the full and punctual
      payment to the Bank of all sums which may be presently due and owing and of
      all
      sums which shall in the future become due and owing to the Bank from the
      Borrower, whether direct or indirect, whether as a borrower, guarantor, surety
      or otherwise, including, without limitation, interest, attorneys' fees and
      other
      amounts accruing after the filing of a petition in bankruptcy by or against
      Borrower, notwithstanding the discharge of Borrower from such obligations,
      together with all costs and expenses incurred by the Bank in connection with
      such obligations, this Unlimited Guaranty (this "Guaranty") and the enforcement
      thereof, and also guarantees the due performance by the Borrower of all its
      obligations under all other present and future contracts and agreements with
      the
      Bank, including, without limitation, all rate swap transactions, basis swaps,
      forward rate transactions, commodity swaps, commodity options, equity or equity
      index swaps, equity or equity index options, bond options, interest rate
      options, foreign exchange transactions, cap transactions, floor transactions,
      collar transactions, forward transactions, currency swap transactions,
      cross-currency rate swap transactions and currency options. This is a guaranty
      of payment and not collection.

     

    Guarantor
      also agrees:

     

    
      	 	
              (1)

            	
              to
                indemnify and hold the Bank and any Bank Affiliate (as hereinafter
                defined) and their directors, officers, employees, agents and attorneys
                harmless from and against all claims, obligations, demands and
                liabilities, by whomsoever asserted, and against all losses in any
                way
                suffered, incurred or paid as a result of or in any way arising out
                of or
                following or consequential to transactions with the Borrower, except
                for
                any claim arising out of the gross negligence or willful misconduct
                of the
                Bank;

            

    

     

    
      	 	
              (2)

            	
              that
                this Guaranty shall not be impaired by any modification, supplement,
                extension, renewal or amendment of any contract or agreement to which
                the
                parties thereto may hereafter agree, nor by any modification, increase,
                release or other alteration of any of the obligations hereby guaranteed
                or
                of any security therefor, nor by any agreements or arrangements whatsoever
                with the Borrower or anyone else, all of which may be done without
                notice
                to or consent by the Guarantor;

            

    

     

    
      	 	
              (3)

            	
              that
                the liability of the Guarantor hereunder is direct and unconditional
                and
                due immediately upon default of the Borrower without demand or notice
                and
                without requiring the Bank first to resort to any other right, remedy
                or
                security;

            

    

     

    
      	 	
              (4)

            	
              that
                Guarantor shall have no right of subrogation, reimbursement or indemnity
                whatsoever until the Bank is indefeasibly paid in full, nor any right
                of
                recourse to security for the debts and obligations of the Borrower
                to the
                Bank;

            

    

     

    
      	 	
              (5)

            	
              that
                the liability of the Guarantor is unlimited and shall be joint and
                several
                with the liabilities of any other
                guarantors;

            

    

     

    
      	 	
              (6)

            	
              that
                if the Borrower or the Guarantor or any other guarantor should at
                any time
                become insolvent or make a general assignment, or if a petition in
                bankruptcy or any insolvency or reorganization proceedings shall
                be filed
                or commenced by, against or in respect of the Borrower or the Guarantor,
                or any other guarantor of the obligations guaranteed hereby, any
                and all
                obligations of the Guarantor shall be immediately due and payable
                without
                notice;

            

    

     

    
      
         

      

      
         

        
          

        

      

      
         

      

    

     

    
      	 	
              (7)

            	
              that
                the Bank’s books and records showing the account between the Bank and the
                Borrower shall be admissible in any action or proceeding, shall be
                binding
                upon the Guarantor for the purpose of establishing the items therein
                set
                forth and shall constitute conclusive proof
                thereof;

            

    

     

    
      	 	
              (8)

            	
              that
                this Guaranty is, as to the Guarantor, a continuing Guaranty that
                shall
                remain effective under successive transactions until expressly terminated
                as hereinafter provided;

            

    

     

    
      	 	
              (9)

            	
              that
                this Guaranty may be terminated as to the Guarantor only by giving
                the
                Bank Sixty (60) days' prior written notice by registered or certified
                mail, and thereupon this Guaranty shall terminate with respect to
                Guarantor only at the expiration of said Sixty (60) day period, which
                shall then be the effective date of termination, and that such termination
                shall be applicable only to transactions having their inception after
                the
                effective date of termination and shall not affect rights and obligations
                arising out of transactions or indebtedness or extensions or renewals
                thereof having their inception prior to such date, including renewals,
                extensions, modifications and refinancings of such prior transactions,
                and
                also extensions of credit made pursuant to a commitment previously
                made by
                the Bank;

            

    

     

    
      	 	
              (10)

            	
              that
                the termination or dissolution of Guarantor shall not effect the
                termination of this Guaranty as to
                Guarantor;

            

    

     

    
      	 	
              (11)

            	
              that
                termination, release or limitation of any guaranty of the obligations
                guaranteed hereby by any other guarantor shall not affect the continuing
                liability hereunder of the
                Guarantor;

            

    

     

    
      	 	
              (12)

            	
              that
                nothing shall discharge or satisfy the liability of the Guarantor
                hereunder except the full indefeasible payment and performance of
                all of
                the Borrower's debts and obligations to the Bank with interest and
                costs
                of collection;

            

    

     

    
      	 	
              (13)

            	
              that
                this Guaranty shall not be affected by the illegality, invalidity
                or
                unenforceability of the obligations guaranteed, by any fraudulent,
                illegal
                or improper act by the Borrower, the legal incapacity or any other
                defense
                of the Borrower, the Guarantor or any other person obligated to the
                Bank
                consequential to transactions with the Borrower nor by the invalidation,
                by operation of law or otherwise, of all or any part of the obligations
                guaranteed hereby, including but not limited to any interest accruable
                on
                the obligations guaranteed hereby during the pendency of any bankruptcy
                or
                receivership proceeding of the
                Borrower;

            

    

     

    
      	 	
              (14)

            	
              that
                any and all present and future debts and obligations of the Borrower
                to
                Guarantor are hereby waived and postponed in favor of and subordinated
                to
                the full indefeasible payment and performance of all present and
                future
                debts and obligations of the Borrower to the
                Bank;

            

    

     

    
      	 	
              (15)

            	
              the
                Guarantor hereby grants to the Bank a continuing lien and security
                interest in all deposits or other sums at any time credited by or
                due from
                the Bank
                or any Bank Affiliate to
                the Guarantor and any property of the Guarantor at any time in the
                possession of the Bank
                or any Bank Affiliate
                whether for safekeeping or otherwise, or in transit to or from the
                Bank
                or any Bank Affiliate
                (regardless of the reason the Bank
                or Bank Affiliate
                had received the same or whether the Bank
                or Bank Affiliate
                has conditionally released the same) as security for the full and
                punctual
                payment and performance of all of the obligations guaranteed hereby,
                and
                such deposits and other sums may be applied or set off against such
                obligations at any time, whether or not such are then due, whether
                or not
                demand has been made and whether or not other collateral is then
                available
                to the Bank
                or any Bank Affiliate;

            

    

     

    
      	 	
              (16)

            	
              that
                if at any time payment of all or any part of the obligations guaranteed
                hereunder is rescinded or otherwise must be restored by the Bank
                to the
                Borrower or to the creditors of the Borrower or any representative
                of the
                Borrower or representative of the Borrower's creditors as a voidable
                preference or fraudulent transfer or conveyance upon the insolvency,
                bankruptcy or reorganization of the Borrower or the Guarantor, or
                to the
                creditors of the Guarantor or any representative of the Guarantor
                or
                representative of the creditors of Guarantor upon the insolvency,
                bankruptcy or reorganization of the Guarantor or otherwise, this
                Guaranty
                shall continue to be effective or be reinstated, as the case may
                be, as
                though such payments had not been made, and shall survive as an obligation
                of the Guarantor, and shall not be discharged or satisfied by said
                payment
                or payments, notwithstanding the return of the original of this Guaranty
                to the Guarantor or to the Borrower, or any other apparent termination
                of
                Guarantor's obligations hereunder;

            

    

     

    
      
         

      

      
         

        
          

        

      

      
         

      

    

     

    
      	 	
              (17)

            	
              that
                any rights and remedies available to the Bank under this Guaranty
                are cumulative, and not exclusive of any rights and remedies otherwise
                available to the Bank at law or in
                equity;

            

    

     

    
      	 	
              (18)

            	
              that
                the Bank’s delay or omission in exercising any of the Bank’s rights and
                remedies shall not constitute a waiver of these rights and remedies,
                nor
                shall the Bank’s waiver of any right or remedy operate as a waiver of any
                other right or remedy available to the Bank. The Bank’s waiver of any
                right or remedy on any one occasion shall not be considered a waiver
                of
                same on any subsequent occasion, nor shall this be considered to
                be a
                continuing waiver;

            

    

     

    
      	 	
              (19)

            	
              that
                this Guaranty incorporates all discussions and negotiations between
                the
                Bank and the Guarantor concerning the guaranty and indemnification
                provided by the undersigned hereby, and that no such discussions
                or
                negotiations shall limit, modify, or otherwise affect the provisions
                hereof, there are no preconditions to the effectiveness of this Guaranty
                and that no provision hereof may be altered, amended, waived, canceled
                or
                modified, except by a written instrument executed and acknowledged
                by the
                Bank’s duly authorized officer;
                and

            

    

     

    
      	 	
              (20)

            	
              that
                this Guaranty and all documents which have been or may be hereinafter
                furnished by the Guarantor to the Bank may be reproduced by the Bank
                by
                any photographic, photostatic, microfilm, xerographic or similar
                process,
                and that any such reproduction shall be admissible in evidence as
                the
                original itself in any judicial or administrative proceeding (whether
                or
                not the original is in existence and whether or not such reproduction
                was
                made in the regular course of
                business).

            

    

     

    Guarantor
      waives: notice of acceptance hereof, presentment and protest of any instrument
      and notice thereof, notice of default and all other notices to which
the
      Guarantor
      might otherwise be entitled; and any and all defenses, including without
      limitation, any and all defenses which the Borrower or any other party may
      have
      to the fullest extent permitted by law, any defense to this Guaranty based
      on
      impairment of collateral or on suretyship defenses of every type; any right
      to
      exoneration or marshaling. To the maximum extent permitted by law, Guarantor
      waives and terminates any homestead rights and/or exemptions respecting any
      premises under the provisions of any applicable homestead law, including without
      limitation, Section 5206 of the Civil Practice Law and Rules of New
      York.
      To the
      extent that it lawfully may, Guarantor hereby further agrees not to invoke
      any
      law relating to the marshaling of collateral which might cause delay in or
      impede the enforcement of the Bank’s rights under this Guaranty or otherwise
      respecting the guaranteed obligations, and to the extent that it lawfully may
      do
      so, the Guarantor hereby irrevocably waives the benefits of all such laws.
      Except as otherwise provided by applicable law, the Bank shall have no duty
      as
      to the collection or protection of any collateral, if any, securing the
      guaranteed obligations beyond the safe custody thereof.

    

    Guarantor
      will from time to time execute and deliver to the Bank, and take or cause to
      be
      taken, all such other further action as the Bank may request in order to effect
      and confirm or vest more securely in the Bank all the rights contemplated in
      this Guaranty (including, without limitation, to correct clerical errors) or
      respecting any of the obligations guaranteed hereby or to comply with applicable
      statute or law.

    

    The
      execution and delivery of this Guaranty is in furtherance of the Guarantor's
      corporate purposes, is not contrary to or in violation of its charter or by-laws
      and the person executing this Guaranty on Guarantor's behalf has been duly
      authorized to do so.

    

    The
      term
      "Bank Affiliate" as used in this Guaranty shall mean any banking or lending
      affiliates of the Bank, any party acting as a participant lender in the credit
      arrangements contemplated herein, or any third party acting on the Bank's
      behalf.

    

    This
      Guaranty, all acts and transactions hereunder, and the rights and obligations
      of
      the parties hereto shall be governed, construed and interpreted according to
      the
      laws of the State of New York without giving effect to the conflicts of laws
      principles thereof, shall be binding upon the successors and assigns of the
      Guarantor and shall inure to the benefit of the Bank’s successors and
      assigns.

     

    If
      any
      provision of this Guaranty is found to be invalid, illegal or unenforceable,
      the
      validity of the remainder of the Guaranty shall not be affected.

    

    Guarantor,
      if not a natural person, certifies that it is and shall remain duly organized
      and in good standing under the laws of the State of its organization or
      formation and duly authorized to do business in each State material to the
      conduct of its business.

     

    
      
         

      

      
         

        
          

        

      

      
         

      

    

    

    If
      as of
      the date any payment of proceeds of collateral received by the Bank are refunded
      or otherwise restored to the Borrower or any third party, the statute of
      limitations shall start anew with respect to any action or proceeding by the
      Bank against the Guarantor under this Guaranty. Likewise, any acknowledgment,
      reaffirmation or payment, by the Borrower or any third party, of any portion
      of
      the obligations guaranteed hereby, shall be deemed to be made as agent for
      the
      Guarantor, strictly for the purposes of tolling the running of (and/or
      preventing the operation of) the applicable statute of limitations with respect
      to any action or proceeding by the Bank against the Guarantor pursuant to this
      Guaranty.

    

    Guarantor
      will furnish to Bank from time to time, such financial data and information
      about Guarantor as Bank may reasonably request (collectively, the "Financial
      Statements"). Guarantor represents and warrants the accuracy of any information
      contained therein and hereby agrees not to encumber or transfer any assets
      listed on any Financial Statements without the Bank's prior consent, except
      in
      the ordinary course of its business.

    

    Guarantor
      irrevocably submits to the nonexclusive jurisdiction of any Federal or
state
      court
      sitting in New York, over any suit, action or proceeding arising out of or
      relating to this Guaranty. Guarantor irrevocably waives, to the fullest extent
      it may effectively do so under applicable law, any objection it may now or
      hereafter have to the laying of the venue of any such suit, action or proceeding
      brought in any such court and any claim that the same has been brought in an
      inconvenient forum. Guarantor hereby consents to any and all process which
      may
      be served in any such suit, action or proceeding, (i) by mailing a copy thereof
      by registered and certified mail, postage prepaid, return receipt requested,
      to
      the Guarantor's address shown below or as notified to the Bank and (ii) by
      serving the same upon the Guarantor in any other manner otherwise permitted
      by
      law, and agrees that such service shall in every respect be deemed effective
      service upon the Guarantor. 

     

    GUARANTOR
      AND BANK EACH HEREBY KNOWINGLY, VOLUNTARILY AND INTENTIONALLY, AND AFTER AN
      OPPORTUNITY TO CONSULT WITH LEGAL COUNSEL, (A) WAIVE ANY AND ALL RIGHTS TO
      A
      TRIAL BY JURY IN ANY ACTION OR PROCEEDING IN CONNECTION WITH THIS GUARANTY,
      THE
      OBLIGATIONS GUARANTEED HEREBY, ALL MATTERS CONTEMPLATED HEREBY AND DOCUMENTS
      EXECUTED IN CONNECTION HEREWITH AND (B) AGREE NOT TO SEEK TO CONSOLIDATE ANY
      SUCH ACTION WITH ANY OTHER ACTION IN WHICH A JURY TRIAL CAN NOT BE, OR HAS
      NOT
      BEEN WAIVED. GUARANTOR CERTIFIES THAT NEITHER THE BANK NOR ANY OF ITS
      REPRESENTATIVES, AGENTS OR COUNSEL HAS REPRESENTED, EXPRESSLY OR OTHERWISE,
      THAT
      THE BANK WOULD NOT IN THE EVENT OF ANY SUCH PROCEEDING SEEK TO ENFORCE THIS
      WAIVER OF RIGHT TO TRIAL BY JURY.

     

    
      
         

      

      
         

        
          

        

      

      
         

      

    

     

    Executed
      and dated November
      5,
      2007.

     

    
      	
              Witness:

            	
              Guarantor:

            
	 	 
	 	
              THE
                SAGEMARK COMPANIES LTD.

            
	 	 
	_____________	
              By: /s/
                Ron Lipstein 

              Ron
                Lipstein, President/Chief Executive Officer

            
	 	 
	 	
              Address:    1285 Avenue of the
                Americas, 35th Floor

              
                New
                  York,
                  New
                  York

                10019

              

            
	 	 
	
              STATE OF NEW YORK

               

              COUNTY OF ____________________

            	
              :

              SS.

              :

            

    

     

    On
      the
      5th
      day of
      November in the year 2007, before me, the undersigned, a Notary Public in and
      for said State, personally appeared, Ron Lipstein, personally known to me or
      proved to me on the basis of satisfactory evidence to be the individual whose
      name is subscribed to the within instrument and acknowledged to me that he/she
      executed the same in his/her capacity, and that by his/her signature on the
      instrument, the individual, or the person upon behalf of which the individual
      acted, executed the instrument.

    

    __________________________________

    NOTARY
      PUBLIC

    

    __________________________________

    TYPE
      OR
      PRINT NAMEEXHIBIT
      10.8

     

    

     

    UNLIMITED
      GUARANTY

    

    TO: Manufacturers
      and Traders Trust Company, a
      New
      York banking corporation
      (the
      "Bank")

    

    RE: PREMIER
      ONCOLOGY MANAGEMENT OF NASSAU, LLC, a New York limited liability
      company
      (the
      "Borrower")

    

    To
      induce
      the Bank to make or continue to make loans, advances, or grant other financial
      accommodations to the Borrower, in consideration thereof and for loans, advances
      or financial accommodations heretofore or hereafter granted by the Bank to
      or
      for the account of the Borrower, the undersigned PREMIER
      ONCOLOGY, INC.
      (the
      "Guarantor") absolutely and unconditionally guarantees the full and punctual
      payment to the Bank of all sums which may be presently due and owing and of
      all
      sums which shall in the future become due and owing to the Bank from the
      Borrower, whether direct or indirect, whether as a borrower, guarantor, surety
      or otherwise, including, without limitation, interest, attorneys' fees and
      other
      amounts accruing after the filing of a petition in bankruptcy by or against
      Borrower, notwithstanding the discharge of Borrower from such obligations,
      together with all costs and expenses incurred by the Bank in connection with
      such obligations, this Unlimited Guaranty (this "Guaranty") and the enforcement
      thereof, and also guarantees the due performance by the Borrower of all its
      obligations under all other present and future contracts and agreements with
      the
      Bank, including, without limitation, all rate swap transactions, basis swaps,
      forward rate transactions, commodity swaps, commodity options, equity or equity
      index swaps, equity or equity index options, bond options, interest rate
      options, foreign exchange transactions, cap transactions, floor transactions,
      collar transactions, forward transactions, currency swap transactions,
      cross-currency rate swap transactions and currency options. This is a guaranty
      of payment and not collection.

    

    Guarantor
      also agrees:

     

    
      	 	
              (1)

            	
              to
                indemnify and hold the Bank and any Bank Affiliate (as hereinafter
                defined) and their directors, officers, employees, agents and attorneys
                harmless from and against all claims, obligations, demands and
                liabilities, by whomsoever asserted, and against all losses in any
                way
                suffered, incurred or paid as a result of or in any way arising out
                of or
                following or consequential to transactions with the Borrower, except
                for
                any claim arising out of the gross negligence or willful misconduct
                of the
                Bank;

            

    

     

    
      	 	
              (2)

            	
              that
                this Guaranty shall not be impaired by any modification, supplement,
                extension, renewal or amendment of any contract or agreement to which
                the
                parties thereto may hereafter agree, nor by any modification, increase,
                release or other alteration of any of the obligations hereby guaranteed
                or
                of any security therefor, nor by any agreements or arrangements whatsoever
                with the Borrower or anyone else, all of which may be done without
                notice
                to or consent by the Guarantor;

            

    

     

    
      	 	
              (3)

            	
              that
                the liability of the Guarantor hereunder is direct and unconditional
                and
                due immediately upon default of the Borrower without demand or notice
                and
                without requiring the Bank first to resort to any other right, remedy
                or
                security;

            

    

     

    
      	 	
              (4)

            	
              that
                Guarantor shall have no right of subrogation, reimbursement or indemnity
                whatsoever until the Bank is indefeasibly paid in full, nor any right
                of
                recourse to security for the debts and obligations of the Borrower
                to the
                Bank;

            

    

     

    
      	 	
              (5)

            	
              that
                the liability of the Guarantor is unlimited and shall be joint and
                several
                with the liabilities of any other
                guarantors;

            

    

     

    
      
         

      

      
         

        
          

        

      

      
         

      

    

     

    
      	 	
              (6)

            	
              that
                if the Borrower or the Guarantor or any other guarantor should at
                any time
                become insolvent or make a general assignment, or if a petition in
                bankruptcy or any insolvency or reorganization proceedings shall
                be filed
                or commenced by, against or in respect of the Borrower or the Guarantor,
                or any other guarantor of the obligations guaranteed hereby, any
                and all
                obligations of the Guarantor shall be immediately due and payable
                without
                notice;

            

    

     

    
      	 	
              (7)

            	
              that
                the Bank’s books and records showing the account between the Bank and the
                Borrower shall be admissible in any action or proceeding, shall be
                binding
                upon the Guarantor for the purpose of establishing the items therein
                set
                forth and shall constitute conclusive proof
                thereof;

            

    

     

    
      	 	
              (8)

            	
              that
                this Guaranty is, as to the Guarantor, a continuing Guaranty that
                shall
                remain effective under successive transactions until expressly terminated
                as hereinafter provided;

            

    

     

    
      	 	
              (9)

            	
              that
                this Guaranty may be terminated as to the Guarantor only by giving
                the
                Bank Sixty (60) days' prior written notice by registered or certified
                mail, and thereupon this Guaranty shall terminate with respect to
                Guarantor only at the expiration of said Sixty (60) day period, which
                shall then be the effective date of termination, and that such termination
                shall be applicable only to transactions having their inception after
                the
                effective date of termination and shall not affect rights and obligations
                arising out of transactions or indebtedness or extensions or renewals
                thereof having their inception prior to such date, including renewals,
                extensions, modifications and refinancings of such prior transactions,
                and
                also extensions of credit made pursuant to a commitment previously
                made by
                the Bank;

            

    

     

    
      	 	
              (10)

            	
              that
                the termination or dissolution of Guarantor shall not effect the
                termination of this Guaranty as to
                Guarantor;

            

    

     

    
      	 	
              (11)

            	
              that
                termination, release or limitation of any guaranty of the obligations
                guaranteed hereby by any other guarantor shall not affect the continuing
                liability hereunder of the
                Guarantor;

            

    

     

    
      	 	
              (12)

            	
              that
                nothing shall discharge or satisfy the liability of the Guarantor
                hereunder except the full indefeasible payment and performance of
                all of
                the Borrower's debts and obligations to the Bank with interest and
                costs
                of collection;

            

    

     

    
      	 	
              (13)

            	
              that
                this Guaranty shall not be affected by the illegality, invalidity
                or
                unenforceability of the obligations guaranteed, by any fraudulent,
                illegal
                or improper act by the Borrower, the legal incapacity or any other
                defense
                of the Borrower, the Guarantor or any other person obligated to the
                Bank
                consequential to transactions with the Borrower nor by the invalidation,
                by operation of law or otherwise, of all or any part of the obligations
                guaranteed hereby, including but not limited to any interest accruable
                on
                the obligations guaranteed hereby during the pendency of any bankruptcy
                or
                receivership proceeding of the
                Borrower;

            

    

     

    
      	 	
              (14)

            	
              that
                any and all present and future debts and obligations of the Borrower
                to
                Guarantor are hereby waived and postponed in favor of and subordinated
                to
                the full indefeasible payment and performance of all present and
                future
                debts and obligations of the Borrower to the
                Bank;

            

    

     

    
      	 	
              (15)

            	
              the
                Guarantor hereby grants to the Bank a continuing lien and security
                interest in all deposits or other sums at any time credited by or
                due from
                the Bank
                or any Bank Affiliate to
                the Guarantor and any property of the Guarantor at any time in the
                possession of the Bank
                or any Bank Affiliate
                whether for safekeeping or otherwise, or in transit to or from the
                Bank
                or any Bank Affiliate
                (regardless of the reason the Bank
                or Bank Affiliate
                had received the same or whether the Bank
                or Bank Affiliate
                has conditionally released the same) as security for the full and
                punctual
                payment and performance of all of the obligations guaranteed hereby,
                and
                such deposits and other sums may be applied or set off against such
                obligations at any time, whether or not such are then due, whether
                or not
                demand has been made and whether or not other collateral is then
                available
                to the Bank
                or any Bank Affiliate;

            

    

     

    
      	 	
              (16)

            	
              that
                if at any time payment of all or any part of the obligations guaranteed
                hereunder is rescinded or otherwise must be restored by the Bank
                to the
                Borrower or to the creditors of the Borrower or any representative
                of the
                Borrower or representative of the Borrower's creditors as a voidable
                preference or fraudulent transfer or conveyance upon the insolvency,
                bankruptcy or reorganization of the Borrower or the Guarantor, or
                to the
                creditors of the Guarantor or any representative of the Guarantor
                or
                representative of the creditors of Guarantor upon the insolvency,
                bankruptcy or reorganization of the Guarantor or otherwise, this
                Guaranty
                shall continue to be effective or be reinstated, as the case may
                be, as
                though such payments had not been made, and shall survive as an obligation
                of the Guarantor, and shall not be discharged or satisfied by said
                payment
                or payments, notwithstanding the return of the original of this Guaranty
                to the Guarantor or to the Borrower, or any other apparent termination
                of
                Guarantor's obligations hereunder;

            

    

     

    
      
         

      

      
         

        
          

        

      

      
         

      

    

     

    
      	 	
              (17)

            	
              that
                any rights and remedies available to the Bank under this Guaranty
                are
                cumulative, and not exclusive of any rights and remedies otherwise
                available to the Bank at law or in
                equity;

            

    

     

    
      	 	
              (18)

            	
              that
                the Bank’s delay or omission in exercising any of the Bank’s rights and
                remedies shall not constitute a waiver of these rights and remedies,
                nor
                shall the Bank’s waiver of any right or remedy operate as a waiver of any
                other right or remedy available to the Bank. The Bank’s waiver of any
                right or remedy on any one occasion shall not be considered a waiver
                of
                same on any subsequent occasion, nor shall this be considered to
                be a
                continuing waiver;

            

    

     

    
      	 	
              (19)

            	
              that
                this Guaranty incorporates all discussions and negotiations between
                the
                Bank and the Guarantor concerning the guaranty and indemnification
                provided by the undersigned hereby, and that no such discussions
                or
                negotiations shall limit, modify, or otherwise affect the provisions
                hereof, there are no preconditions to the effectiveness of this Guaranty
                and that no provision hereof may be altered, amended, waived, canceled
                or
                modified, except by a written instrument executed and acknowledged
                by the
                Bank’s duly authorized officer; and

            

    

     

    
      	 	
              (20)

            	
              that
                this Guaranty and all documents which have been or may be hereinafter
                furnished by the Guarantor to the Bank may be reproduced by the Bank
                by
                any photographic, photostatic, microfilm, xerographic or similar
                process,
                and that any such reproduction shall be admissible in evidence as
                the
                original itself in any judicial or administrative proceeding (whether
                or
                not the original is in existence and whether or not such reproduction
                was
                made in the regular course of
                business).

            

    

     

    Guarantor
      waives: notice of acceptance hereof, presentment and protest of any instrument
      and notice thereof, notice of default and all other notices to which
the
      Guarantor
      might otherwise be entitled; and any and all defenses, including without
      limitation, any and all defenses which the Borrower or any other party may
      have
      to the fullest extent permitted by law, any defense to this Guaranty based
      on
      impairment of collateral or on suretyship defenses of every type; any right
      to
      exoneration or marshaling. To the maximum extent permitted by law, Guarantor
      waives and terminates any homestead rights and/or exemptions respecting any
      premises under the provisions of any applicable homestead law, including without
      limitation, Section 5206 of the Civil Practice Law and Rules of New York. To
      the
      extent that it lawfully may, Guarantor hereby further agrees not to invoke
      any
      law relating to the marshaling of collateral which might cause delay in or
      impede the enforcement of the Bank’s rights under this Guaranty or otherwise
      respecting the guaranteed obligations, and to the extent that it lawfully may
      do
      so, the Guarantor hereby irrevocably waives the benefits of all such laws.
      Except as otherwise provided by applicable law, the Bank shall have no duty
      as
      to the collection or protection of any collateral, if any, securing the
      guaranteed obligations beyond the safe custody thereof.

    

    Guarantor
      will from time to time execute and deliver to the Bank, and take or cause to
      be
      taken, all such other further action as the Bank may request in order to effect
      and confirm or vest more securely in the Bank all the rights contemplated in
      this Guaranty (including, without limitation, to correct clerical errors) or
      respecting any of the obligations guaranteed hereby or to comply with applicable
      statute or law.

    

    The
      execution and delivery of this Guaranty is in furtherance of the Guarantor's
      corporate purposes, is not contrary to or in violation of its charter or by-laws
      and the person executing this Guaranty on Guarantor's behalf has been duly
      authorized to do so.

    

    The
      term
      "Bank Affiliate" as used in this Guaranty shall mean any banking or lending
      affiliates of the Bank, any party acting as a participant lender in the credit
      arrangements contemplated herein, or any third party acting on the Bank's
      behalf.

    

    This
      Guaranty, all acts and transactions hereunder, and the rights and obligations
      of
      the parties hereto shall be governed, construed and interpreted according to
      the
      laws of the State of New York without giving effect to the conflicts of laws
      principles thereof, shall be binding upon the successors and assigns of the
      Guarantor and shall inure to the benefit of the Bank’s successors and
      assigns.

    

    If
      any
      provision of this Guaranty is found to be invalid, illegal or unenforceable,
      the
      validity of the remainder of the Guaranty shall not be affected.

    

    Guarantor,
      if not a natural person, certifies that it is and shall remain duly organized
      and in good standing under the laws of the State of its organization or
      formation and duly authorized to do business in each State material to the
      conduct of its business.

     

    
      
         

      

      
         

        
          

        

      

      
         

      

    

    

    If
      as of
      the date any payment of proceeds of collateral received by the Bank are refunded
      or otherwise restored to the Borrower or any third party, the statute of
      limitations shall start anew with respect to any action or proceeding by the
      Bank against the Guarantor under this Guaranty. Likewise, any acknowledgment,
      reaffirmation or payment, by the Borrower or any third party, of any portion
      of
      the obligations guaranteed hereby, shall be deemed to be made as agent for
      the
      Guarantor, strictly for the purposes of tolling the running of (and/or
      preventing the operation of) the applicable statute of limitations with respect
      to any action or proceeding by the Bank against the Guarantor pursuant to this
      Guaranty.

    

    Guarantor
      will furnish to Bank from time to time, such financial data and information
      about Guarantor as Bank may reasonably request (collectively, the "Financial
      Statements"). Guarantor represents and warrants the accuracy of any information
      contained therein and hereby agrees not to encumber or transfer any assets
      listed on any Financial Statements without the Bank's prior consent, except
      in
      the ordinary course of its business.

    

    Guarantor
      irrevocably submits to the nonexclusive jurisdiction of any Federal or
state
      court
      sitting in New York, over any suit, action or proceeding arising out of or
      relating to this Guaranty. Guarantor irrevocably waives, to the fullest extent
      it may effectively do so under applicable law, any objection it may now or
      hereafter have to the laying of the venue of any such suit, action or proceeding
      brought in any such court and any claim that the same has been brought in an
      inconvenient forum. Guarantor hereby consents to any and all process which
      may
      be served in any such suit, action or proceeding, (i) by mailing a copy thereof
      by registered and certified mail, postage prepaid, return receipt requested,
      to
      the Guarantor's address shown below or as notified to the Bank and (ii) by
      serving the same upon the Guarantor in any other manner otherwise permitted
      by
      law, and agrees that such service shall in every respect be deemed effective
      service upon the Guarantor. 

     

    GUARANTOR
      AND BANK EACH HEREBY KNOWINGLY, VOLUNTARILY AND INTENTIONALLY, AND AFTER AN
      OPPORTUNITY TO CONSULT WITH LEGAL COUNSEL, (A) WAIVE ANY AND ALL RIGHTS TO
      A
      TRIAL BY JURY IN ANY ACTION OR PROCEEDING IN CONNECTION WITH THIS GUARANTY,
      THE
      OBLIGATIONS GUARANTEED HEREBY, ALL MATTERS CONTEMPLATED HEREBY AND DOCUMENTS
      EXECUTED IN CONNECTION HEREWITH AND (B) AGREE NOT TO SEEK TO CONSOLIDATE ANY
      SUCH ACTION WITH ANY OTHER ACTION IN WHICH A JURY TRIAL CAN NOT BE, OR HAS
      NOT
      BEEN WAIVED. GUARANTOR CERTIFIES THAT NEITHER THE BANK NOR ANY OF ITS
      REPRESENTATIVES, AGENTS OR COUNSEL HAS REPRESENTED, EXPRESSLY OR OTHERWISE,
      THAT
      THE BANK WOULD NOT IN THE EVENT OF ANY SUCH PROCEEDING SEEK TO ENFORCE THIS
      WAIVER OF RIGHT TO TRIAL BY JURY.

     

    Executed
      and dated November
      5, 2007

     

    
      	
              Witness:

            	
              Guarantor:

            
	 	 
	 	
              
                PREMIER
                  ONCOLOGY, INC.

              

            
	 	 
	_____________	
              By: /s/
                Ron Lipstein 

              Ron
                Lipstein, President

            
	 	 
	 	
              Address:    1285 Avenue of the
                Americas, 35th Floor

              
                New
                  York,
                  New
                  York

                10019

              

            

    

     

    
      
         

      

      
         

        
          

        

      

      
         

      

    

     

    
      	
              STATE OF NEW YORK

               

              COUNTY OF ____________________

            	
              :

              SS.

              :

            

    

     

    On
      the
5th
      day
      of
      November in the year 2007, before me, the undersigned, a Notary Public in and
      for said State, personally appeared, Ron Lipstein, personally known to me or
      proved to me on the basis of satisfactory evidence to be the individual whose
      name is subscribed to the within instrument and acknowledged to me that he/she
      executed the same in his/her capacity, and that by his/her signature on the
      instrument, the individual, or the person upon behalf of which the individual
      acted, executed the instrument.

    

    __________________________________

    NOTARY
      PUBLIC

    

    __________________________________

    TYPE
      OR
      PRINT NAME

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