Cancer Treatment Centers of America, Inc. operates a network of cancer treatment hospitals and facilities in the United States. It offers treatments, such as surgical oncology, chemotherapy, radiation therapy, stem cell transplantation, biotherapy/immunotherapy, chemoembolization, hormone therapy, and photodynamic therapy treatments. The company also provides complementary therapies, including nutrition therapy, pain management, naturopathic medicine, mind-body medicine, oncology rehabilitation, and spiritual support therapy. It provides treatments for bladder, breast, colon, kidney, lung, ovarian, pancreatic, prostate, rectal, and skin cancer types, as well as for hodgkin's disease, leukemia, lymphoma, and melanoma. The company has hospital locations in Philadelphia, Pennsylvania; Tulsa, Oklahoma; Seattle, Washington; Zion, Illinois; and Goodyear, Arizona. Cancer Treatment Centers of America, Inc. was founded in 1988 and is based in Schaumburg, Illinois.