Colton Ladbury headshot (IMAGE) City of Hope Caption Colton Ladbury, M.D., City of Hope assistant professor of radiation oncology, received the inaugural ARRO Resident Educator of the Year Award from the Association of Residents in Radiation Oncology and the American Society for Radiation Oncology. Credit Photo credit: City of Hope Usage Restrictions Licensed content to City of Hope License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.