Orange County Radiation Oncology
33.65156, -117.7310573
Irvine, CA 92618
6 a.m. to 6 p.m. M-F
Primary visitors may visit during operational hours.
One of The World's Most Comprehensive Radiation Oncology Programs
With a focus on precise imaging, and targeted treatments, our physicians and researchers are industry-leading pioneers killing cancer cells while preserving a patient’s quality of life. Our team is trained in the latest advances in radiation oncology and may use one of the following therapies to treat your cancer:
- Radiation Oncology Research and Trials
- Intensity-Modulated Radiation Therapy (IMRT)
- Stereo Tactic Bady Radiotherapy (SBRT)
- High-Dose Rate Brachytherapy
- Four-Dimensional Computed (4D CT) Scanning
- ETHOS® By Varian
- MRIdian® MR Linac By Viewray
- Trubeam ® By Varian
Our Physicians
Percy Lee, M.D., is delighted to increase City of Hope's reach and help establish its radiation oncology research network in his role as medical director of Orange County and coastal region radiation oncology and vice chair for clinical research in the Department of Radiation Oncology.
Amanda Schwer, M.D., is an Assistant Clinical Professor, Department of Radiation Oncology at City of Hope Orange County. As a third-generation Orange County native, Dr. Schwer is proud to play a part in bringing extraordinary cancer care to the community that is so close to her heart.
Colton Ladbury, M.D., is a radiation oncologist and assistant clinical professor in the Department of Radiation Oncology at City of Hope.
Dr. Weng is a radiation oncologist and assistant clinical professor in the Department of Radiation Therapy at City of Hope Orange County.