The company, 21st Century Oncology, is a leading developer and operator of radiation therapy centers. These centers, which are freestanding and hospital-based, provide a spectrum of radiation therapy services to cancer patients, including conventional external beam radiation treatments and advanced services, such as prostate seed implants and 3-D conformal treatment planning. In its almost 20 years of operation, the company has developed an operating model which enables its centers to deliver cost-effective patient care. The company operates nearly 50 centers clustered into regional networks in Alabama, Delaware, Florida, Kentucky, Maryland, New York, Nevada and North Carolina. Other locations for 21st Century Oncology include centers in Arizona, California, Massachusetts, New Jersey, Rhode Island and West Virginia.