Departmentsطب علاج الأورام بالأشعةمركز مايو كلينك الشامل لعلاج السرطانSpecialty Groupsرعاية العمود الفقريبرنامج سرطان الرئةبرنامج أورام الدماغالعلاج بالطب النوويبرنامج السرطان المَعدي المَعوي المبكر والوراثيLocationPhoenix, ArizonaLanguagesCantoneseChineseEnglishExisting patientsSend a secure message via patient portal Biographical summaryTerence T. Sio, M.D., M.S., is Professor of Radiation Oncology and radiation oncologist who specializes in both X-ray based and proton radiotherapies. His main focuses are in gastrointestinal, lung, and brain cancers including brain metastasis treatments using stereotactic radiosurgery (SRS). He has a strong interest in ion beam radiotherapies internationally. Conditions treatedAcoustic neuromaAmpullary cancerAnal cancerAstrocytomaBrain cancerBrain metastasisBrain tumorCholangiocarcinomaChordomaChoroid plexus papillomaColon cancerEpendymomaEsophageal cancerGallbladder cancerGastrointestinal stromal tumorsGlioblastomaGliomaHepatocellular carcinomaLiver cancerLung cancerMeningiomaNeuroendocrine tumorNeurofibromaNeurofibromatosisOligodendrogliomaPancreatic cancerPancreatic neuroendocrine tumorPituitary tumorRectal cancerSmall bowel cancerSpinal cord tumorSpinal tumorStomach cancer Procedures performedBrain stereotactic radiosurgeryIntensity-modulated radiation therapyIntraoperative radiation therapyProton therapyRadiation therapyStereotactic body radiotherapyStereotactic radiosurgery InterestsCentral nervous system malignanciesThoracic oncology including lung cancersGastrointestinal malignanciesGenitourinary malignanciesProton beam radiotherapies with particular focus in scanning beam technologiesPatient outcome, symptom control, and quality-of-life researchClinical trials Mayo Clinic locations Phoenix, Arizona Driving Directions More info Billing & insurance Accessibility services Education2016Mayo Clinic Scholar - Visiting Assistant Professor (Radiation Oncology)Proton Therapy Center-Houston, MD Anderson Cancer Center2011Internship - Internal MedicineUniversity of California San Francisco-Fresno2010MMSc - Medical ScienceBrown University2010MDBrown University2006MS - Chemical Engineering Practice (M.S. CEP)Massachusetts Institute of Technology2005BS - Chemical EngineeringMassachusetts Institute of TechnologyShow more education Activities and honorsCertifications2016Radiation OncologyAmerican Board of RadiologyAwards and honors20232023 RO-ILS Radiation Oncology Safety Star AwardASTRO Quality Council, American Society for Radiation Oncology (ASTRO)2022Mayo Clinic Experience Top Performing Provider Award (2021)Mayo Clinic2020International Atomic Energy Agency (IAEA) FellowshipInternational Proton Beam Radiotherapy Educational Program and Training, Mayo Clinic Arizona2015Roentgen Resident/Fellow Research AwardDepartment of Radiation Oncology2010Alpha Omega Alpha Medical SocietyBrown Medical SchoolShow more awards and honorsProfessional memberships2024 - presentChairSafety and Incident Learning System (SAILS), Department of Radiation Oncology2024 - presentChairQuality Assurance Committee, Department of Radiation Oncology2023 - presentMemberRadiation Oncology Institute (ROI) Development Committee, American Society for Therapeutic Radiology and Oncology (ASTRO)2023 - presentVice ChairLutetium Lu - 177 Dotatate Guidelines Working Group, Appropriateness Criteria, American College of Radiology (ACR)2023 - presentCo-Vice ChairPayer Relations Committee, Payer Relations Committee, American Society for Therapeutic Radiology and Oncology (ASTRO)2023 - presentPhysician MemberIntensity Modulated Radiation Therapy (IMRT) Model Policy Working Group, Guidelines Committee, Quality Council2023 - presentReviewerIntensity Modulated Radiation Therapy (IMRT) Model Policy Working Group, Guidelines Committee, Quality Council2023 - presentCo-Vice ChairPayer Relations Committee, Health Policy Council, American Society for Therapeutic Radiology and Oncology (ASTRO)2022ReviewerProton Beam Therapy (PBT) Model Policy Working Group, Guidelines Committee, Quality Council2022 - presentCo-ChairSymptom Intervention-Health Disparities Working Group, Alliance for Clinical Trials in Oncology2022 - presentMemberMembership Committee, American Society for Therapeutic Radiology and Oncology (ASTRO)2021 - presentMemberAmerican College of Radiology (ACR)2020 - presentInvited ExaminerGastrointestinal Cancer Committee, Radiation Oncology Oral Board, American Board of Radiology (ABR)2019 - presentMemberNuclear Regulatory Commission (NRC) Subcommittee, American Society for Therapeutic Radiology and Oncology (ASTRO)2019 - presentMemberAmerican College of Radiation Oncology (ACRO)2018 - 2023MemberPayer Relations Committee, Health Policy Council, American Society for Therapeutic Radiology and Oncology (ASTRO)2017 - presentFacultyMayo Clinic Alix School of Medicine, Mayo Clinic in Arizona2017 - 2020Member/ Abstract ReviewerAnnual Meeting, Gastrointestinal Malignancy Scientific Tract, American Society for Therapeutic Radiology and Oncology (ASTRO)2016 - presentMemberNRG Oncology2016 - presentMemberResearch Executive Committee (ROREC), Department of Radiation Oncology, Mayo Clinic in Arizona2016 - 2021MemberAmerican Society of Clinical Oncology2015 - presentMemberAlliance for Clinical Trials in Oncology2013 - 2015MemberARRO Global Health Subcommittee, American Society for Therapeutic Radiology and Oncology (ASTRO)2011 - presentMemberRare Cancer Network2010 - presentLifetime MemberTau Beta Pi (TBP) Engineering Honor Society2010 - presentLifetime MemberAlpha Omega Alpha Honor Medical SocietyShow more professional membershipsPublicationsSee my publications Biographical summaryConditions treatedProcedures performedInterestsMayo Clinic locationsEducationActivities and honors Request an appointment PST-20238062 الأطباء والفريق الطبي Sio, Terence T. M.D., M.S.