Departmentsطب علاج الأورام بالأشعةSpecialty Groupsبرنامج أورام الدماغبرنامج سرطان الرئةرعاية العمود الفقريالعلاج بالطب النوويLocationPhoenix, ArizonaLanguagesCantoneseChineseEnglishExisting patientsSend a secure message via patient portal Biographical summaryTerence T. Sio, M.D., M.S., is a 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 ScholarProton 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 honors2022Mayo 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 memberships2023 - presentMemberRadiation Oncology Institute (ROI) Development Committee, 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)2019Scientific ReviewerMarley Funding Applications, Protocols Review Committee, Mayo Clinic Cancer Center - Arizona2019 - presentMemberNuclear Regulatory Commission (NRC) Subcommittee, American Society for Therapeutic Radiology and Oncology (ASTRO)2019 - presentMemberAmerican College of Radiation Oncology (ACRO)2019 - presentCase WriterGastrointestinal Cancer Committee, Radiation Oncology Oral Board, American Board of Radiology (ABR)2019 - presentMemberGuidelines Committee, Quality Council, American Society for Therapeutic Radiology and Oncology (ASTRO)2018 - presentMember, Protocol ReviewerScientific Review Committee (SRC-C) - Radiation Oncology, Protocols Review Committee, Mayo Clinic Cancer Center - Arizona2018 - presentPhysician MemberAmerican Radium Society2018 - presentOutside Medical ConsultantArizona Medical Association2017 - presentFacultyMayo Clinic Alix School of Medicine, Mayo Clinic in Arizona2017 - 2020Member/ Abstract ReviewerAnnual Meeting, Gastrointestinal Malignancy Track, American Society for Therapeutic Radiology and Oncology (ASTRO)2016 - presentMemberProton Research Development Committee, Department of Radiation Oncology2016 - presentMemberNRG Oncology2016 - presentMemberResearch Executive Committee (ROREC), Department of Radiation Oncology, Mayo Clinic in Arizona2016 - presentMemberAmerican 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.