Many treatments have irreversible consequences, so it is important to pick the best treatment first. It is commonly understood in medical circles that long-term survival is improved by receiving optimal treatment up front. The first treatment is your best shot at eradicating the cancer.

PSA plays a variety of roles, the most familiar being screening to detect prostate cancer at an early stage. PSA also helps to define the Stages of Blue. Another role of PSA is to detect cancer relapse after surgery or radiation. Lastly, rises or declines in PSA after hormone therapy or chemotherapy help determine whether a treatment is working...