﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" returnVersion="2024v5.0">
  <ReturnHeader binaryAttachmentCnt="0">
    <ReturnTs>2025-11-12T13:54:36-05:00</ReturnTs>
    <TaxPeriodEndDt>2024-12-31</TaxPeriodEndDt>
    <PreparerFirmGrp>
      <PreparerFirmEIN>522436535</PreparerFirmEIN>
      <PreparerFirmName>
        <BusinessNameLine1Txt>COMER &amp; COMPANY CPA'S LLC</BusinessNameLine1Txt>
      </PreparerFirmName>
      <PreparerUSAddress>
        <AddressLine1Txt>61 MAIN STREET</AddressLine1Txt>
        <CityNm>MIDDLETOWN</CityNm>
        <StateAbbreviationCd>CT</StateAbbreviationCd>
        <ZIPCd>064573408</ZIPCd>
      </PreparerUSAddress>
    </PreparerFirmGrp>
    <ReturnTypeCd>990EZ</ReturnTypeCd>
    <TaxPeriodBeginDt>2024-01-01</TaxPeriodBeginDt>
    <Filer>
      <EIN>461995761</EIN>
      <BusinessName>
        <BusinessNameLine1Txt>INTERNATIONAL LYMPHOMA RADIATION</BusinessNameLine1Txt>
        <BusinessNameLine2Txt>ONCOLOGY FOUNDATION</BusinessNameLine2Txt>
      </BusinessName>
      <BusinessNameControlTxt>INTE</BusinessNameControlTxt>
      <PhoneNum>2126395999</PhoneNum>
      <USAddress>
        <AddressLine1Txt>965 EDWARDS LANE</AddressLine1Txt>
        <CityNm>ORIENT</CityNm>
        <StateAbbreviationCd>NY</StateAbbreviationCd>
        <ZIPCd>119571031</ZIPCd>
      </USAddress>
    </Filer>
    <BusinessOfficerGrp>
      <PersonNm>JOACHIM YAHALOM MD</PersonNm>
      <PersonTitleTxt>CHAIRMAN</PersonTitleTxt>
      <PhoneNum>2126395999</PhoneNum>
      <SignatureDt>2025-10-31</SignatureDt>
      <DiscussWithPaidPreparerInd>true</DiscussWithPaidPreparerInd>
    </BusinessOfficerGrp>
    <IRSResponsiblePrtyInfoCurrInd>false</IRSResponsiblePrtyInfoCurrInd>
    <PreparerPersonGrp>
      <PreparerPersonNm>THOMAS D COMER CPA</PreparerPersonNm>
      <PTIN>P00129178</PTIN>
      <PhoneNum>8603462100</PhoneNum>
      <PreparationDt>2025-10-31</PreparationDt>
    </PreparerPersonGrp>
    <TaxYr>2024</TaxYr>
    <BuildTS>2025-03-06 01:10:19Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCnt="4">
    <IRS990EZ documentId="RetDoc2" referenceDocumentId="RetDoc3">
      <MethodOfAccountingCashInd>X</MethodOfAccountingCashInd>
      <WebsiteAddressTxt>WWW.ILROG.COM</WebsiteAddressTxt>
      <Organization501c3Ind referenceDocumentId="RetDoc4">X</Organization501c3Ind>
      <TypeOfOrganizationCorpInd>X</TypeOfOrganizationCorpInd>
      <GrossReceiptsAmt>84748</GrossReceiptsAmt>
      <InfoInScheduleOPartIInd>X</InfoInScheduleOPartIInd>
      <ContributionsGiftsGrantsEtcAmt>40000</ContributionsGiftsGrantsEtcAmt>
      <MembershipDuesAmt>44595</MembershipDuesAmt>
      <InvestmentIncomeAmt>153</InvestmentIncomeAmt>
      <TotalRevenueAmt>84748</TotalRevenueAmt>
      <SalariesOtherCompEmplBnftAmt>48554</SalariesOtherCompEmplBnftAmt>
      <FeesAndOtherPymtToIndCntrctAmt>420</FeesAndOtherPymtToIndCntrctAmt>
      <PrintingPublicationsPostageAmt>603</PrintingPublicationsPostageAmt>
      <OtherExpensesTotalAmt>23163</OtherExpensesTotalAmt>
      <TotalExpensesAmt>72740</TotalExpensesAmt>
      <ExcessOrDeficitForYearAmt>12008</ExcessOrDeficitForYearAmt>
      <NetAssetsOrFundBalancesBOYAmt>154970</NetAssetsOrFundBalancesBOYAmt>
      <NetAssetsOrFundBalancesEOYAmt>166978</NetAssetsOrFundBalancesEOYAmt>
      <CashSavingsAndInvestmentsGrp>
        <BOYAmt>154970</BOYAmt>
        <EOYAmt>166978</EOYAmt>
      </CashSavingsAndInvestmentsGrp>
      <Form990TotalAssetsGrp>
        <BOYAmt>154970</BOYAmt>
        <EOYAmt>166978</EOYAmt>
      </Form990TotalAssetsGrp>
      <NetAssetsOrFundBalancesGrp>
        <BOYAmt>154970</BOYAmt>
        <EOYAmt>166978</EOYAmt>
      </NetAssetsOrFundBalancesGrp>
      <InfoInScheduleOPartIIIInd>X</InfoInScheduleOPartIIIInd>
      <PrimaryExemptPurposeTxt>THE MISSION OF ILROG IS TO IMPROVE THE OUTCOME FOR PATIENTS BY ENCOURAGING THE APPROPRIATE INTEGRATION OF RADIATION THERAPY IN THE MANAGEMENT OF LYMPHOMA. ILROG OBJECTIVES: - TO OPTIMIZE, ADVANCE AND HARMONIZE THE INTEGRATION OF RADIATION THERAPY IN THE MANAGEMENT OF LYMPHOMA PATIENTS. - TO INFORM THE HEMATOLOGY, MEDICAL AND RADIATION ONCOLOGY COMMUNITIES OF THE LYMPHOMA SCENARIOS WHERE APPROPRIATE UTILIZATION OF RADIOTHERAPY IS ADVANTAGEOUS. - TO DEVELOP AND DISSEMINATE EVIDENCE-BASED GUIDELINES FOR RADIOTHERAPY FIELDS, DOSES AND TECHNIQUES FOR ALL TYPES OF LYMPHOMAS. - TO TRAIN RADIATION ONCOLOGISTS WORLDWIDE IN USING MODERN LYMPHOMA RADIOTHERAPY PRINCIPLES AND TECHNIQUES VIA COLLABORATION WITH APPROPRIATE NATIONAL OR REGIONAL SCIENTIFIC SOCIETIES. - TO PROVIDE A WORLDWIDE FORUM FOR RADIATION ONCOLOGISTS WHO TREAT LYMPHOMAS TO DISCUSS AND SHARE INFORMATION AND IDEAS. - TO PROVIDE A SOURCE OF INFORMATION FOR LYMPHOMA PATIENTS EXPLAINING THE ADVANTAGES AND RISKS ASSOCIATED WITH RADIATI</PrimaryExemptPurposeTxt>
      <ProgramSrvcAccomplishmentGrp>
        <DescriptionProgramSrvcAccomTxt>2024 ACCOMPLISHMENTS INCLUDE CONTINUED EDUCATION OF MEMBERSHIP BY CREATING, PUBLISHING AND CREATING GUIDELINES. MULTICENTER COLLABORATION ON RESEARCH PROJECTS. AN INTERNATIONAL CONFERENCE WAS HELD IN BEIJING, CHINA.</DescriptionProgramSrvcAccomTxt>
        <ProgramServiceExpensesAmt>68780</ProgramServiceExpensesAmt>
      </ProgramSrvcAccomplishmentGrp>
      <TotalProgramServiceExpensesAmt>68780</TotalProgramServiceExpensesAmt>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>JOACHIM YAHALOM MD</PersonNm>
        <TitleTxt>CHAIRMAN</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>12.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>LENA SPECHT MD</PersonNm>
        <TitleTxt>VICE-CHAIRMA</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>8.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <OfficerDirectorTrusteeEmplGrp>
        <PersonNm>TIM ILLIDGE MD</PersonNm>
        <TitleTxt>SECRETARY/TR</TitleTxt>
        <AverageHrsPerWkDevotedToPosRt>8.00</AverageHrsPerWkDevotedToPosRt>
        <CompensationAmt>0</CompensationAmt>
      </OfficerDirectorTrusteeEmplGrp>
      <ActivitiesNotPreviouslyRptInd>false</ActivitiesNotPreviouslyRptInd>
      <ChgMadeToOrgnzngDocNotRptInd>false</ChgMadeToOrgnzngDocNotRptInd>
      <OrganizationHadUBIInd>false</OrganizationHadUBIInd>
      <SubjectToProxyTaxInd>false</SubjectToProxyTaxInd>
      <OrganizationDissolvedEtcInd>false</OrganizationDissolvedEtcInd>
      <Form1120PolFiledInd>false</Form1120PolFiledInd>
      <MadeLoansToFromOfficersInd>false</MadeLoansToFromOfficersInd>
      <EngagedInExcessBenefitTransInd>false</EngagedInExcessBenefitTransInd>
      <ProhibitedTaxShelterTransInd>false</ProhibitedTaxShelterTransInd>
      <BooksInCareOfDetail>
        <BusinessName>
          <BusinessNameLine1Txt>INTERNATIONAL LYMPHOMA RADIATION</BusinessNameLine1Txt>
          <BusinessNameLine2Txt>INTERNATIONAL LYMPHOMA RADIATION</BusinessNameLine2Txt>
        </BusinessName>
        <USAddress>
          <AddressLine1Txt>351 E 51ST ST APT 14C</AddressLine1Txt>
          <AddressLine2Txt>35 E 51ST ST APT 14C</AddressLine2Txt>
          <CityNm>NEW YORK</CityNm>
          <StateAbbreviationCd>NY</StateAbbreviationCd>
          <ZIPCd>10022</ZIPCd>
        </USAddress>
        <PhoneNum>2126395999</PhoneNum>
      </BooksInCareOfDetail>
      <ForeignFinancialAccountInd>false</ForeignFinancialAccountInd>
      <ForeignOfficeInd>false</ForeignOfficeInd>
      <DonorAdvisedFndsInd>false</DonorAdvisedFndsInd>
      <OperateHospitalInd>false</OperateHospitalInd>
      <TanningServicesProvidedInd>false</TanningServicesProvidedInd>
      <RelatedOrganizationCtrlEntInd>false</RelatedOrganizationCtrlEntInd>
      <TransactionWithControlEntInd>false</TransactionWithControlEntInd>
      <PoliticalCampaignActyInd>false</PoliticalCampaignActyInd>
      <LobbyingActivitiesInd>false</LobbyingActivitiesInd>
      <SchoolOperatingInd>false</SchoolOperatingInd>
      <TrnsfrExmptNonChrtblRltdOrgInd>false</TrnsfrExmptNonChrtblRltdOrgInd>
      <PartVIOfCompOfHghstPdEmplTxt>NONE</PartVIOfCompOfHghstPdEmplTxt>
      <PartVIHghstPdCntrctProfSrvcTxt>NONE</PartVIHghstPdCntrctProfSrvcTxt>
      <FiledScheduleAInd>true</FiledScheduleAInd>
    </IRS990EZ>
    <IRS990ScheduleA documentId="RetDoc4">
      <PubliclySupportedOrg509a2Ind>X</PubliclySupportedOrg509a2Ind>
      <GiftsGrantsContrisRcvd509Grp>
        <CurrentTaxYearMinus4YearsAmt>52029</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>31583</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>35058</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>44185</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>44595</CurrentTaxYearAmt>
        <TotalAmt>207450</TotalAmt>
      </GiftsGrantsContrisRcvd509Grp>
      <Total509Grp>
        <CurrentTaxYearMinus4YearsAmt>52029</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>31583</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>35058</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>44185</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>44595</CurrentTaxYearAmt>
        <TotalAmt>207450</TotalAmt>
      </Total509Grp>
      <PublicSupportTotal509Amt>207450</PublicSupportTotal509Amt>
      <GrossInvestmentIncome509Grp>
        <CurrentTaxYearMinus4YearsAmt>184</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus1YearAmt>127</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>153</CurrentTaxYearAmt>
        <TotalAmt>464</TotalAmt>
      </GrossInvestmentIncome509Grp>
      <InvestmentIncomeAndUBTIGrp>
        <CurrentTaxYearMinus4YearsAmt>184</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus1YearAmt>127</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>153</CurrentTaxYearAmt>
        <TotalAmt>464</TotalAmt>
      </InvestmentIncomeAndUBTIGrp>
      <TotalSupportCalendarYearGrp>
        <CurrentTaxYearMinus4YearsAmt>52213</CurrentTaxYearMinus4YearsAmt>
        <CurrentTaxYearMinus3YearsAmt>31583</CurrentTaxYearMinus3YearsAmt>
        <CurrentTaxYearMinus2YearsAmt>35058</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>44312</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>44748</CurrentTaxYearAmt>
        <TotalAmt>207914</TotalAmt>
      </TotalSupportCalendarYearGrp>
      <PublicSupportCY509Pct>0.99780</PublicSupportCY509Pct>
      <PublicSupportPY509Pct>0.99620</PublicSupportPY509Pct>
      <InvestmentIncomeCYPct>0.00000</InvestmentIncomeCYPct>
      <InvestmentIncomePYPct>0.00000</InvestmentIncomePYPct>
      <ThirtyThrPctSuprtTestsCY509Ind>X</ThirtyThrPctSuprtTestsCY509Ind>
      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>SUPPORTING SCHEDULE</FormAndLineReferenceDesc>
        <ExplanationTxt>RESEARCH 40,000</ExplanationTxt>
      </Form990ScheduleAPartVIGrp>
    </IRS990ScheduleA>
    <IRS990ScheduleB documentId="RetDoc1">
      <ContributorInformationGrp>
        <ContributorNum>RESTRICTED</ContributorNum>
        <ContributorBusinessName>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
        </ContributorBusinessName>
        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
        </ContributorUSAddress>
        <TotalContributionsAmt>RESTRICTED</TotalContributionsAmt>
      </ContributorInformationGrp>
    </IRS990ScheduleB>
    <IRS990ScheduleO documentId="RetDoc3">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART I, LINE 16</FormAndLineReferenceDesc>
        <ExplanationTxt>EXPENSES OFFICE EXPENSES 120 WEBSITE/HOSTING 1,191 TECHNOLOGY EXPENSES 6,084 CONFERENCES &amp; MEETINGS 10,046 BANK FEES 1,990 PAYROLL PROCESSING FEES 913 DUES &amp; SUBSCRIPTIONS 637 AWARDS AND HOST GIFTS 2,182 TOTAL 23,163</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990-EZ, PART III</FormAndLineReferenceDesc>
        <ExplanationTxt>THE MISSION OF ILROG IS TO IMPROVE THE OUTCOME FOR PATIENTS BY ENCOURAGING THE APPROPRIATE INTEGRATION OF RADIATION THERAPY IN THE MANAGEMENT OF LYMPHOMA. ILROG OBJECTIVES: - TO OPTIMIZE, ADVANCE AND HARMONIZE THE INTEGRATION OF RADIATION THERAPY IN THE MANAGEMENT OF LYMPHOMA PATIENTS. - TO INFORM THE HEMATOLOGY, MEDICAL AND RADIATION ONCOLOGY COMMUNITIES OF THE LYMPHOMA SCENARIOS WHERE APPROPRIATE UTILIZATION OF RADIOTHERAPY IS ADVANTAGEOUS. - TO DEVELOP AND DISSEMINATE EVIDENCE-BASED GUIDELINES FOR RADIOTHERAPY FIELDS, DOSES AND TECHNIQUES FOR ALL TYPES OF LYMPHOMAS. - TO TRAIN RADIATION ONCOLOGISTS WORLDWIDE IN USING MODERN LYMPHOMA RADIOTHERAPY PRINCIPLES AND TECHNIQUES VIA COLLABORATION WITH APPROPRIATE NATIONAL OR REGIONAL SCIENTIFIC SOCIETIES. - TO PROVIDE A WORLDWIDE FORUM FOR RADIATION ONCOLOGISTS WHO TREAT LYMPHOMAS TO DISCUSS AND SHARE INFORMATION AND IDEAS. - TO PROVIDE A SOURCE OF INFORMATION FOR LYMPHOMA PATIENTS EXPLAINING THE ADVANTAGES AND RISKS ASSOCIATED WITH RADIATION THERAPY. - TO INITIATE, SUPPORT AND CONDUCT RESEARCH THAT WILL FURTHER THE UNDERSTANDING OF RADIOTHERAPY IN THE TREATMENT OF LYMPHOMA AND THAT WILL IMPROVE THE THERAPEUTIC RATIO OF USING RADIOTHERAPY ALONE OR IN COMBINATION WITH OTHER THERAPIES.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>