Radiation Oncology Consultants (ROC) was founded in 1966 and has grown to become the largest radiati

ROC’s 24 radiation oncologists serve 15 cancer care centers located throughout the Chicago area, offering expert patient care based on years of specialized training and experience. Always on the forefront of new technologies, they are involved in research protocols within all partnering hospital systems and are committed to providing best-in-class care for their patients. Collectively, our physicians treat more cancer patients than any other group in Chicago.