ocr: Couplementary treraptes Introduction Your cancer treatment will likely involve some medical treatment- surgery, radiation, chemotherapy, - - or some combination of them. But there are alsoa number of non-medical therapies that can help you improve the quality of your life. These non-medical therapies are called complementary therapies, because they complement the standard therapies recommended byyour oncologist. They're not known to beofany benefit in controlling or curing your cancer.