Benjamin Cahan, M.D., is a radiation oncologist at City of Hope Mission Hills in the Los Angeles-area and an Assistant Clinical Professor, Department of Radiation Oncology. He has clinical expertise in radiation for breast cancer, lung, skin, prostate, gastrointestinal, head and neck, gynecologic cancers and other malignancies. He is fluent in English and Spanish. Dr. Cahan specializes in all forms of radiation treatment including brachytherapy, EBRT, SBRT, and emerging treatments, such as image-guided radiotherapy, stereotactic radiosurgery and stereotactic body radiation therapy. He always puts his patients first. His research is focused on the impact of therapies on patients' quality of life.