Charles R. Thomas, Jr., M.D.

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503 494-8756


Dr. Thomas trained in both medical oncology and radiation oncology. He joined the OHSU faculty in November 2005 as Professor and Chairman of the Department of Radiation Medicine. Dr. Thomas is an active member of several professional associations, including the American College of Radiology, the American Society of Clinical Oncology, and the American Association for Cancer Research. He serves on the editorial boards of the Journal of Clinical Oncology, Gastrointestinal Cancer Research, Diseases of the Esophagus, and CA: A Cancer Journal for Clinicians. Dr. Thomas is the national chairman or co-chairman for the following clinical trials: SWOG-0220, SWOG-0533, SWOG-0414, SWOG-0356, ACOSOG-Z06041, and NSABP FR1. His primary areas of interest are gastrointestinal and thoracic cancers, translational research (research translating scientific findings into treatments) and outcomes research (research into how well cancer treatments work for patients).

Summary of Current Research

Additional Special Interests

Translational research

Outcomes research

Selected Publications

"ACR Appropriateness Criteria®-Anal Cancer," Gastrointestinal Cancer Research (Vol: 7, Issue: 1, Page 4-14) - 2014

"Burnout in United States academic chairs of radiation oncology programs," International Journal of Radiation Oncology Biology Physics (Vol: 88, Issue: 2, Page 363-368) - 2014

"Chemoradiotherapy with a Radiation Boost for Anal Cancer Decreases the Risk for Salvage Abdominoperineal Resection: Analysis From the National Cancer Data Base," Annals of Surgical Oncology - 2014

"Consequences of anorectal cancer atlas implementation in the cooperative group setting: Radiobiologic analysis of a prospective randomized in silico target delineation study," Radiotherapy and Oncology - 2014

"Current status of diversity by race, hispanic ethnicity, and sex in diagnostic radiology," Radiology (Vol: 270, Issue: 1, Page 232-240) - 2014


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Memberships & Associations

American Society for Therapeutic Radiology and Oncology American Society of Clinical Oncology Radiological Society of North America Society of Chairmen of Academic Radiation Oncology Programs Southwest Oncology Group American College of Surgeons Oncology Group