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        <BookValueAmt>462051</BookValueAmt>
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        <Desc>457 ASSETS</Desc>
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        <Desc>OPERATING LEASE RIGHT-OF-USE ASSETS</Desc>
        <BookValueAmt>8109730</BookValueAmt>
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      <OtherAssetsOrgGrp>
        <Desc>RECEIVABLE FROM NRG ONCOLOGY FOUNDATION, INC.</Desc>
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        <Desc>OPERATING LEASE LIABILITY</Desc>
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      <FootnoteTextInd>X</FootnoteTextInd>
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      <RevenueNotReportedFinclStmtAmt>0</RevenueNotReportedFinclStmtAmt>
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        <ExplanationTxt>THE COMPENSATION OF SENIOR MANAGEMENT IS REVIEWED BY AN INDEPENDENT OUTSIDE CONSULTANT AND RECOMMENDATIONS FORMULATED BY A COMPENSATION SUBCOMMITTEE ARE PRESENTED TO THE CHAIRMAN FOR APPROVAL. A REPORT OF THE PROCESS AND CHAIRMAN'S DECISION IS MADE TO THE FULL BOARD OF DIRECTORS. COMPENSATION OF EMPLOYEES IS REVIEWED BY SENIOR MANAGEMENT ANNUALLY.</ExplanationTxt>
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        <ExplanationTxt>THE FOUNDATION PAYS TO THE UNIVERSITY OF PITTSBURGH FOR THE CONSULTANCY SERVICES RENDERED BY THE FOLLOWING INDIVIDUALS LISTED ON PART VII, SECTION A: - CHARLES GEYER, MD (CHIEF SCIENTIFIC OFFICER) WITH CALENDAR YEAR COMPENSATION OF $278,675</ExplanationTxt>
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      <SupplementalInformationDetail>
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        <ExplanationTxt>CHANGE IN VALUE OF INTEREST IN NET ASSETS OF NRG ONCOLOGY FOUNDATION, INC. -28,263.</ExplanationTxt>
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          <StateAbbreviationCd>PA</StateAbbreviationCd>
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