Radiation Oncologists of Central Arizona, LLP (ROCA) has been offering compassionate, cutting-edge cancer treatment to Valley residents for over 20 years at the premier hospital-based cancer centers in metro Phoenix. We are a group of caring Radiation Oncologists dedicated to providing the most effective, safe, and evidence-based radiation therapy available. We partner with our patients, their families, and their other physicians to optimize their well-being and the outcomes of treatment. ROCA physicians are nationally recognized leaders in advanced radiotherapy technology and have introduced state-of-the-art therapies to the Valley. ROCA physicians have also provided Arizona's cancer patients access clinical trials through collaborative research organizations.