Most men with prostate cancer can be treated successfully through surgery and/or radiation, but when the cancer has spread to other parts of the body, a systemic approach using medication is often prescribed, says Bernard Poiesz, MD, a professor of medicine at the Upstate Cancer Center. He describes both advances in and limitations of treatments for metastatic prostate cancer, such as hormone therapy, chemotherapy and immunotherapy, which stimulates the body‘s immune system to attack the cancer.