Department of Radiation Oncology The Department of Radiation Oncology is committed to providing leading-edge, compassionate clinical care, pioneering new therapies for patients, ushering the latest treatments from the laboratory to the clinic and training the next generation of leaders in the specialty. Radiation Oncology About Us Diversity and Outreach Technology and Innovation Philanthropy Contact Us Education & Training Physician Residency Medical Physics Residency Medical Students Alumni Research Basic Research Clinical Research Clinical Trials Divisions Faculty Home Research Research: Clinical Departments Radiation Oncology: Home About Us Research Education Faculty Welcoming Our New Chair Please join us in welcoming Megan E. Daly, MD, as the new chair of the Department of Radiation Oncology, effective January 26, 2026. Read the announcement News Mar 03, 2026 | Becker's Hospital Review The 38 health systems Optum recommends for cancer care in 2026 In the News UCI School of Medicine Medicine – Hematology/Oncology Chao Family Comprehensive Cancer Center (CFCCC) Pediatrics – Oncology Radiation Oncology Surgery – Surgical Oncology Jan 05, 2026 | UC Irvine School of Medicine Medical Mission in Ethiopia: Advancing Radiation Therapy to Fight Cervical Cancer Features & Briefs UCI School of Medicine Radiation Oncology Nov 06, 2025 | UC Irvine School of Medicine Megan E. Daly, MD, Appointed Chair of UCI Department of Radiation Oncology Features & Briefs UCI School of Medicine Radiation Oncology View All News Events There are no upcoming events. View Past Events Patient Care For information on patient care, please visit our healthcare website. There, you will find comprehensive information on patient care services, including details on our dedicated healthcare providers, cutting-edge practices and compassionate approach to patient care. RADIATION ONCOLOGY SERVICES