Document:

EXHIBIT 10.4

                                   ADDENDUM TO
                           MASTER EQUIPMENT LOAN 3804
                SECURED PROMISSORY NOTE 001 Dated March 16, 2003

Addendum made as of March 30, 2007 by Lyon Financial Services, Inc. dba U.S.
Bank Portfolio Services as Successor Servicer for DVI Receivables XIX, L.L.C.
and as Agent for U.S. Bank, N.A., as Trustee, with offices at 1310 Madrid
Street, Suite 103, Marshall, Minnesota 56258 ("USBPS") and The Sagemark
Companies LTD. ("Obligor") and Hialeah P.E.T. Management, LLC., Premier P.E.T.
Imaging International, Inc., and Alberto M. Eiber (Collectively "Guarantors");

         WHEREAS, on or about March 16, 2003, The Sagemark Companies LTD.
executed and delivered to DVI Financial Services Inc. ("DVI") a Master Equipment
Loan 3804 collectively with the Secured Promissory Note 001 dated March 16, 2003
(the "Sagemark Loan");

         WHEREAS, to further secure payment of the Sagemark Loan pursuant to a
Limited Guaranty and Suretyship Agreement each dated March 16, 2003 (the
"Guaranty"), Hialeah P.E.T. Management, LLC., Premier P.E.T. Imaging
International, Inc., (the "Guarantors") guaranteed the obligations of The
Sagemark Companies LTD. under the Sagemark Loan.

         WHEREAS, to further secure the payment of the Sagemark Loan and all
other obligations to DVI (collectively the "Obligations"), The Sagemark
Companies LTD., Hialeah P.E.T. Management, LLC., Premier P.E.T. Imaging
International, Inc., pursuant to a Master Security Agreement each dated March
16, 2003, to the Sagemark Loan (the "Security Agreement"), granted DVI a first
priority security interest in certain Collateral described therein;

         WHEREAS, the Sagemark Loan, Guaranty, and the Security Agreement
collectively shall hereafter be referred to as the "Sagemark Loan Documents";

         WHEREAS, substantially contemporaneously therewith, DVI contributed the
Sagemark Loan Documents to DVI Receivables XIX, L.L.C. ("DVI XIX"). Thereafter
pursuant to an Amended and Restated Indenture, DVI XIX granted a first priority
security interest in and pledged the Sagemark Loan Documents in favor of U.S.
Bank, N.A., as Trustee, for the benefit of noteholders which purchased asset
backed promissory notes issued by DVI XIX (the "Noteholders");

         WHEREAS, Obligor and Guarantors have requested USBPS as Agent for U.S.
Bank N.A., as Trustee to modify the Sagemark Loan Documents to reflect an
adjustment in the payments; and

         WHEREAS, subject to the following terms and conditions, USBPS is
willing to modify the Sagemark Loan Documents as hereinafter provided;

         NOW, THEREFORE, the parties agree as follows:

         At Obligor and Guarantors request, the Sagemark Loan payments have been
amended as reflected below. All others terms and conditions of the contract
remain in effect. If the Sagemark Loan goes into default, the Obligor and
Guarantors will immediately pay in accordance with the default provisions of the

<PAGE>

Sagemark Loan all sums due under the terms of the Sagemark Loan and will perform
all the obligations of the Sagemark Loan. If it is necessary for USBPS to
proceed legally to enforce the Sagemark Loan, the Obligor and Guarantor consent
to the jurisdiction as set forth in the Sagemark Loan and agree to pay all
costs, including attorney's fees incurred in enforcement of the Sagemark Loan.
It is not necessary for USBPS to proceed against the collateral before
proceeding against the Obligor and Guarantors.

         The Obligor and Guarantors do hereby wish to modify the payment terms
of the Loan so to fully address the remaining outstanding obligations:

         New Rent Commencement Date: April 1, 2007, Payment Due: $3,258.13
                                     -------------                --------

         Terms in Months from New Rent Commencement Date: Six (6)
                                                          -------

         Six (6) Payments of $3,258.13 (plus applicable taxes)
         -------              --------

         New Rent Commencement Date: October 1, 2007, Payment Due: $8,825.44
                                     ---------------                --------

         Terms in Months from New Rent Commencement Date: Thirty-One (31)
                                                          ---------------

         Thirty-One (31) Payments of $8,825.44 (plus applicable taxes)
         ----------------             --------

         New Rent Commencement Date: May 1, 2010, Payment Due: $230,325.60
                                     -----------                ----------

         Terms in Months from New Rent Commencement Date: One (1)
                                                          -------

         One (1) Payment of $230,325.60 (plus applicable taxes)
         -------             ----------

         By signing this Addendum, the Obligor and Guarantors acknowledge the
     above changes to the Loan and authorize USBPS to make such changes. In all
     other respects the terms and conditions of the Sagemark Loan Documents
     remain in full force and effect.

Lyon Financial Services, Inc. dba U.S.
Bank Portfolio Services as Successor
Servicer for DVI Receivables XIX, L.L.C.,
and Agent for U.S. Bank, N.A., as Trustee

By: /s/ JANE FOX
Name: Jane Fox
Its:  Director of Operations

(Signatures continued on next page)

<PAGE>

     Signature page for Addendum to Master Equipment Loan 3804 Secured
     Promissory Note 001 Dated March 16, 2003, by and between Lyon Financial
     Services, Inc., The Sagemark Companies LTD. and Hialeah P.E.T. Management,
     LLC., Premier P.E.T. Imaging International, Inc., and Alberto M. Eiber

The Sagemark Companies LTD.
By: /s/ GEORGE W. MAHONEY
Name: George W. Mahoney
Its: Chief Financial Officer

By: /s/ GEORGE W. MAHONEY
Name: Premier P.E.T. Imaging International, Inc., Guarantor

/s/ STEPHEN A. SCHULMAN, MD
Name: Hialeah P.E.T. Management, LLC., Guarantor

/s/ ALBERTO M. EIBER, MD
Alberto M. Eiber, Guarantor - Guaranty is limited as per Rider A
To Limited Guaranty And Suretyship Agreement dated
March 16, 2003.EXHIBIT 10.5

                                   ADDENDUM TO
                      RESTRUCTURE AND SETTLEMENT AGREEMENT
        for Premier P.E.T. Imaging of Wichita, Inc., Dated June 22, 2004

Addendum made as of March 30, 2007 by Lyon Financial Services, Inc. DBA U.S.
Bank Portfolio Services as Successor Servicer for DVI Receivables XVI, L.L.C.
and as Agent for U.S. Bank, N.A., as Trustee, with offices at 1310 Madrid
Street, Suite 103, Marshall, Minnesota 56258 ("USBPS") and Premier P.E.T.
Imaging of Wichita, Inc., ( "Obligor")Premier P.E.T. Imaging International,
Inc., and The Sagemark Companies LTD., (Collectively "Guarantors");

         WHEREAS, on or about June 22, 2004, Obligors executed and delivered to
USBPS a Restructure and Settlement Agreement collectively with the Amended and
Restated Rider A to Equipment Schedule 3006-001 (Payment Stream) dated June 22,
2004, (the "Premier Loan");

         WHEREAS, on or about November 8, 2002, The Sagemark Companies LTD.
executed and delivered to DVI Financial Services Inc. ("DVI") a Master Loan
Agreement and Rider to Loan Documents 3006 each dated November 8, 2002
collectively with the Secured Promissory Note 001 dated November 8, 2002 (the
"Sagemark Loan");

         WHEREAS, to further secure payment of the Premier Loan pursuant to a
Guaranty and Suretyship Agreement each dated April 25, 2001 (the "Guaranty"),
The Sagemark Companies LTD, Premier P.E.T. Imaging International, Inc., (the
"Guarantors") guaranteed the obligations of Premier P.E.T. Imaging of Wichita,
Inc., under the Premier Loan.

         WHEREAS, to further secure the payment of the Premier Loan and all
other obligations to DVI (collectively the "Obligations"), Premier P.E.T.
Imaging of Wichita, Inc., The Sagemark Companies LTD., pursuant to a Master
Security Agreement each dated April 25, 2001, to the Premier Loan (the "Security
Agreement"), granted DVI a first priority security interest in certain
Collateral described therein;

         WHEREAS, the Loan, Guaranty, and the Security Agreement collectively
shall hereafter be referred to as the "Loan Documents";

         WHEREAS, substantially contemporaneously therewith, DVI contributed the
Premier Loan Documents to DVI Receivables XVI, L.L.C. ("DVI XVI"). Thereafter
pursuant to an Amended and Restated Indenture, DVI XVI granted a first priority
security interest in and pledged the Premier Loan in favor of U.S. Bank, N.A.,
as Trustee, for the benefit of noteholders which purchased asset backed
promissory notes issued by DVI XVI (the "Noteholders");

         WHEREAS, Obligor and Guarantors have requested USBPS as Agent for U.S.
Bank N.A., as Trustee to modify the Premier Loan to reflect an adjustment in the
payments; and

         WHEREAS, subject to the following terms and conditions, USBPS is
willing to modify the Premier Loan as hereinafter provided;

         NOW, THEREFORE, the parties agree as follows:
<PAGE>

         At Obligor and Guarantors request, the Premier Loan payments have been
amended as reflected below. All others terms and conditions of the contract
remain in effect. If the Premier Loan goes into default, the Obligor and
Guarantors will immediately pay in accordance with the default provisions of the
Premier Loan all sums due under the terms of the Premier Loan and will perform
all the obligations of the Premier Loan. If it is necessary for USBPS to proceed
legally to enforce the Premier Loan, the Obligor and Guarantors consent to the
jurisdiction as set forth in the Premier Loan and agree to pay all costs,
including attorney's fees incurred in enforcement of the Premier Loan. It is not
necessary for USBPS to proceed against the collateral before proceeding against
the Obligor and Guarantors.

         The Obligor and Guarantors do hereby wish to modify the payment terms
of the Premier Loan so to fully address the remaining outstanding obligations:

         New Rent Commencement Date: April 25, 2007, Payment Due: $5,857.01
                                     --------------                --------

         Terms in Months from New Rent Commencement Date: Six (6)
                                                          -------

         Six (6) Payments of $5,857.01 (plus applicable taxes)
         -------              --------

         New Rent Commencement Date: October 25, 2007, Payment Due: $14,284.58
                                     ----------------                ---------

         Terms in Months from New Rent Commencement Date: Thirty-Nine (39)
                                                          ----------------

         Thirty-Nine (39) Payments of $14,284.58 (plus applicable taxes)
         -----------------             ---------

         New Rent Commencement Date: January 25, 2011, Payment Due: $275,110.95
                                     ----------------                ----------

         Terms in Months from New Rent Commencement Date: One (1)
                                                          -------

         One (1) Payment of $275,110.95 (plus applicable taxes)
         -------             ----------

         By signing this Addendum, the Obligor and Guarantors acknowledge the
     above changes to the Loan and authorize USBPS to make such changes. In all
     other respects the terms and conditions of the Sagemark Loan Documents
     remain in full force and effect.

Lyon Financial Services, Inc. dba U.S. Bank Portfolio Services as
Successor Servicer for DVI Receivables XVI, L.L.C., and Agent for U.S.
Bank, N.A., as Trustee

By: /s/ JANE FOX
Name: Jane Fox
Its:  Director of Operations

 (Signatures continued on next page)
<PAGE>

     Signature page for Addendum to ADDENDUM TO RESTRUCTURE AND SETTLEMENT
     AGREEMENT for Premier P.E.T. Imaging of Wichita, Inc., Dated June 22, 2004,
     by and between Lyon Financial Services, Inc., Premier P.E.T. Imaging of
     Wichita, Inc., Premier P.E.T. Imaging International, Inc., and The Sagemark
     Companies Ltd.

Premier P.E.T. Imaging of Wichita, Inc
By: /s/ GEORGE W. MAHONEY
Name: George W. Mahoney
Its: Chief Financial Officer

/s/ GEORGE W. MAHONEY
Name: The Sagemark Companies Ltd, Guarantor

/s/ GEORGE W. MAHONEY
Name: Premier P.E.T. Imaging International, Inc., Guarantor

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