Prostate cancer is a type of cancer that affects the prostate gland, which is a small organ located just below the bladder in men. There are several different terms used to describe this condition, including adenocarcinoma, carcinoma of the prostate, and prostate carcinoma. Other synonyms for prostate cancer may include malignant neoplasm of the prostate, prostatic malignancy, and prostate tumor. Regardless of the terminology used, it is important for men to be aware of the signs and symptoms of prostate cancer and to seek medical attention if they suspect a problem. Early detection and treatment can greatly improve the chances of a positive outcome.