Radiation Therapy Services, Inc., together with its subsidiaries, provides radiation therapy services to cancer patients in the United States. It owns, operates, and manages treatment centers that primarily focus on providing radiation treatment alternatives for various cancers, including prostate, breast, lung, and colorectal. Radiation Therapy Services operates its treatment centers primarily under the name 21st Century Oncology. The company’s radiation treatment alternatives include conventional external beam radiation therapy, image guided radiation therapy, 3-D conformal treatment planning, respiratory gating, high-dose rate remote brachytherapy, low-dose rate brachytherapy,...