Document:

EXHIBIT 10.5

AMENDMENT TO
 BUSINESS OPERATIONS AND SUPPORT SERVICES AGREEMENT

          THIS AMENDMENT TO BUSINESS OPERATIONS AND SUPPORT SERVICES AGREEMENT (“Amendment”) dated as of November 15, 2006 by and between Phoenix Management Company, LLC, a Michigan limited liability company (“Manager”) and X-ray Treatment Center, P.C., a Michigan professional services corporation (“Medical Practice”).  

RECITALS

          WHEREAS, Manager and Medical Group are parties to that certain Business Operations and Support Services Agreement dated July 20, 1999 (the “Agreement”).

          WHEREAS, pursuant to the Agreement, the Manager is responsible for general management and administration operations of the medical practices (the “Practices”) operated by Medical Group located at 23333-23337 Gratiot Avenue, Eastpointe, Michigan and 17435 Hall Road, Macomb, Michigan (the “Offices”).

          WHEREAS, Manager’s obligations include owning, maintaining and/or providing Medical Group with equipment, fixtures and furnishings (collectively, the “Equipment”) at the Offices necessary for the operation of the Practices.

          WHEREAS, the Michigan Department of Community Health (“MDCH”) issued two Certificates of Need (“CONs”) to Medical Group in connection with owning and operating the Equipment at the Offices.

          WHEREAS, Medical Group desires to transfer to Manager, and Manager desires to accept from Medical Group, all of Manager’s right, title and interest in and to the CONs.

          WHEREAS, the parties desire to amend the Agreement in accordance with the terms and conditions set forth below. 

          NOW THEREFORE, intending to be legally bound and for good and valuable consideration, the receipt and sufficiency of which is hereby acknowledged, the Parties hereto agree as follows: 

          1.          Defined Terms.  Capitalized terms used herein but not otherwise defined shall have the meanings ascribed to them in the Agreement.

         2.          Section 5.1 of the Agreement is hereby amended to add the following at the end of Section 5.1:

	
  
 
  	
  
Medical   Group hereby agrees to transfer to Manager all of its right, title and   interest in and to the Certificates of Need (“CONs”) issued by the Michigan   Department of Community Health (the “MDCH”) originally issued to Medical   Group relating to the Equipment at no additional cost to Manager (the   “Transfer”).  The parties acknowledge   and agree that the Transfer of the CONs are intended to assist Manager in   performing its obligations set forth in this Agreement and that the absence   of consideration therefore has been determined by the parties through good   faith to be fair and reasonable.    Medical Group shall fully cooperate with Manager in all respects to   effectuate the Transfer, including but not limited to execution of any   documents deemed necessary by Manager or MDCH.
  

          3.          Section 5.14 of the Agreement is hereby deleted in its entirety and replaced with the following:

	
  
 
  	
  
5.14        Recruitment of Physicians.  Practice Manager shall coordinate recruiting of physicians including advertising for recruitment of Physicians to become shareholders, employees or independent contractors of the Medical Practice.  It shall be a joint responsibility of Medical Practice and Practice Manager to interview, select, contract with, supervise, control, and terminate all Physicians performing Medical Services.  Costs of recruiting not identified in the yearly budget on a continual basis shall be borne as an additional expense to the Medical Practice.
  

          4.          Section 8.3 of the Agreement is amended to delete the second paragraph in its  entirety.

          5.          Section 9.4 of the Agreement is hereby deleted in its entirety and replaced with the following:

	
  
 
  	
  
9.4        Notices.  Any notice, demand, or communication   required, permitted, or desired to be given under this Agreement shall be in   writing and shall be deemed given if delivered in person or deposited in   United States Mail, postage prepaid, registered or certified mail, return   receipt requested, addressed to the parties as set forth opposite their   respective names below:
  

	
  
 
  	
  
Medical   Practice:
  	
  
X-Ray   Treatment Center, P.C. 
  
	
  
 
  	
  
 
  	
  
Attention: Michael J. Katin, M.D.
  
	
  
 
  	
  
 
  	
  
23333-23337   Gratiot Avenue
  
	
  
 
  	
  
 
  	
  
Eastpointe,   MI 48021
  
	
  
 
  	
  
 
  	
  
 
  
	
  
 
  	
  
Manager:
  	
  
Phoenix   Management Company, LLC 
  
	
   
  	
  
 
  	
  
Attention:   Daniel E. Dosoretz, M.D.
  
	
  
 
  	
  
 
  	
  
2234   Colonial Boulevard 
  
	
  
 
  	
  
 
  	
  
Fort Myers,   FL 33907
  

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          6.          Ratification.  Except as expressly modified by this Amendment, all of the terms and conditions of the Agreement shall remain in full force and effect.

          7.          Counterparts.  This Amendment may be executed by the parties hereto in separate counterparts and both counterparts taken together shall constitute one and the same instrument.

          IN WITNESS WHEREOF, the undersigned have executed this Amendment as of November 15, 2006.

	
   
  	
  
PHOENIX   MANAGEMENT COMPANY, LLC
  
	
  
 
  	
  
 
  
	
  
 
  	
  
 
  
	
  
 
  	
  
By:
  	
  
/s/ David M.   Koeninger
  
	
  
 
  	
  
 
  	
  

  
	
  
 
  	
  
Name:
  	
  
David M.   Koeninger
  
	
  
 
  	
  
Title:
  	
  
Vice   President
  
	
  
 
  	
  
 
  	
  
 
  
	
  
 
  	
  
 
  	
  
 
  
	
   
  	
  X-RAY   TREATMENT CENTER, P.C.
  
	
   
  	
   
  
	
   
  	
   
  
	
   
  	
  By:
  	
  /s/ Daniel   E. Dosoretz
  
	
   
  	
   
  	
  

  
	
   
  	
  Name:
  	
  Daniel E. Dosoretz, M.D.
  
	
   
  	
  Title:
  	
  Vice   President
  

3EXHIBIT 10.6

AMENDMENT TO
 BUSINESS OPERATIONS AND SUPPORT SERVICES AGREEMENT

          THIS AMENDMENT TO BUSINESS OPERATIONS AND SUPPORT SERVICES AGREEMENT (“Amendment”) dated as of November 15, 2006 by and between American Consolidated Technologies, LLC, a Michigan limited liability company (“Practice Manager”) and RADS, P.C. Oncology Professions, a Michigan professional services corporation (“Medical Practice”).  

RECITALS

          WHEREAS, Practice Manager and Medical Group are parties to that certain Business Operations and Support Services Agreement dated August 19, 2000 (the “Agreement”).

          WHEREAS, pursuant to the Agreement, the Practice Manager is responsible for general management and administration operations of the medical practices (the “Practices”) operated by Medical Group located at 28595 Orchard Lake Road, Suite 110, Farmington Hills, Michigan, 6770 Dixie Highway, #106, Clarkson, Michigan and 1085 N. Malcomb Street, Monroe, Michigan (the “Offices”).

          WHEREAS, Practice Manager’s obligations include owning, maintaining and/or providing Medical Group with equipment, fixtures and furnishings (collectively, the “Equipment”) at the Offices necessary for the operation of the Practice.

          WHEREAS, the Michigan Department of Community Health (“MDCH”) issued three Certificates of Need (“CONs”) to Medical Group in connection with owning and operating the Equipment at the Offices.

          WHEREAS, Medical Group desires to transfer to Practice Manager, and Practice Manager desires to accept from Medical Group, all of Practice Manager’s right, title and interest in and to the CONs.

          WHEREAS, the parties desire to amend the Agreement in accordance with the terms and conditions set forth below. 

          NOW THEREFORE, intending to be legally bound and for good and valuable consideration, the receipt and sufficiency of which is hereby acknowledged, the Parties hereto agree as follows: 

          1.          Defined Terms.  Capitalized terms used herein but not otherwise defined shall have the meanings ascribed to them in the Agreement.

	
  
 
  	
  
2.
  	
  
Section 5.1   of the Agreement is hereby amended to add the following:
  
	
  
 
  	
  
 
  	
  
 
  
	
  
 
  	
  
Medical   Group hereby agrees to transfer to Practice Manager all of its right, title   and interest in and to the Certificates of Need (“CONs”) issued by the   Michigan Department of Community Health (the “MDCH”) originally issued to   Medical Group relating to the Equipment at no additional cost to Practice   Manager (the “Transfer”).  The parties   acknowledge and agree that the Transfer of the CONs are intended to assist   Practice Manager in performing its obligations set forth in this Agreement   and that the absence of consideration therefore has been determined by the   parties through good faith to be fair and reasonable.  Medical Group shall fully cooperate with   Practice Manager in all respects to effectuate the Transfer, including but   not limited to execution of any documents deemed necessary by Practice   Manager or MDCH.
  
	
   
  	
  
 
  
	
  
 
  	
  
3.
  	
  
Section 5.14   of the Agreement is hereby deleted in its entirety and replaced with the   following:
  
	
  
 
  	
  
 
  	
  
 
  
	
  
 
  	
  
5.14   Recruitment   of Physicians.  Practice Manager   shall coordinate recruiting of physicians including advertising for   recruitment of Physicians to become shareholders, employees or independent   contractors of the Medical Practice.    It shall be a joint responsibility of Medical Practice and Practice   Manager to interview, select, contract with, supervise, control, and   terminate all Physicians performing Medical Services.  Costs of recruiting not identified in the   yearly budget on a continual basis shall be borne as an additional expense to   the Medical Practice.
  
	
  
 
  	
  
 
  
	
  
 
  	
  
4.
  	
  
Section 8.3   of the Agreement is amended to delete the second paragraph in its  entirety.
  
	
   
  	
  
 
  	
  
 
  
	
  
 
  	
  
5.
  	
  
Section 9.4   of the Agreement is hereby deleted in its entirety and replaced with the   following:
  
	
  
 
  	
  
 
  	
  
 
  
	
  
 
  	
  
9.4     Notices.  Any notice, demand, or communication   required, permitted, or desired to be given under this Agreement shall be in   writing and shall be deemed given if delivered in person or deposited in   United States Mail, postage prepaid, registered or certified mail, return   receipt requested, addressed to the parties as set forth opposite their   respective names below:
  

	
  
 
  	
  
Medical   Practice:
  	
  
RADS, P.C.   Oncology Professionals 
  
	
   
  	
  
 
  	
  
Attention:   Michael J. Katin, M.D.
  
	
  
 
  	
  
 
  	
  
28595   Orchard Lake Road, Suite 110
  
	
  
 
  	
  
 
  	
  
Farmington   Hills, MI 48334
  
	
  
 
  	
  
 
  	
  
 
  
	  
	 Practice   Manager:
	 American   Consolidated Technologies, LLC

	
  
 
  	
  
 
  	
  
Attention:   Daniel E. Dosoretz, M.D.
  
	
  
 
  	
  
 
  	
  
2234   Colonial Boulevard 
  
	
  
 
  	
  
 
  	
  
Fort Myers,   FL 33907
  

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          6.          Ratification.  Except as expressly modified by this Amendment, all of the terms and conditions of the Agreement shall remain in full force and effect.

          7.          Counterparts.  This Amendment may be executed by the parties hereto in separate counterparts and both counterparts taken together shall constitute one and the same instrument.

          IN WITNESS WHEREOF, the undersigned have executed this Amendment as of November 15, 2006.

	
  
 
  	
  
AMERICAN   CONSOLIDATED 
   TECHNOLOGIES, LLC
  
	
  
 
  	
  
 
  
	
  
 
  	
  
 
  
	
  
 
  	
  
By:
  	
  
/s/ David M.   Koeninger
  
	
   
  	
  
 
  	
  

  
	
  
 
  	
  
Name:
  	
  
David M.   Koeninger
  
	
  
 
  	
  
Title:
  	
  
Vice   President
  
	
  
 
  	
  
 
  	
  
 
  
	
  
 
  	
  
 
  	
  
 
  
	
  
 
  	
  
X-RAY   TREATMENT CENTER, P.C.
  
	
  
 
  	
  
 
  
	
  
 
  	
  
 
  
	
  
 
  	
  
By: 
  	
  
/s/ Daniel   E. Dosoretz
  
	
   
  	
   
  	
  

  
	
   
  	
  Name: 
  	
  Daniel E. Dosoretz, M.D.
  
	
   
  	
  Title:
  	
  Vice   President
  

3

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