Prostate cancer (CaP) remains the most common cancer in men with an estimated 230 110 new cases in 2004 in the United States. CaP represents approximately 30% of all newly diagnosed cancers. The ...

What Is Prostate-Specific Antigen? Your prostate is a gland that makes seminal fluid, which nourishes and transports your sperm when you ejaculate. It's about the size of a walnut and surrounds your ...

Prostate-specific antigen (PSA) is a protein that is secreted by the cells of the prostate gland and is found in semen, the medium that carries sperm. PSA is the substance that liquefies semen, ...

are aged 50 and over and have asked your GP for a test Doctors also check your PSA level as you go through prostate cancer treatment. It can help them see how well treatment is working. Prostate ...