Question: What is (are) Prostate Cancer ?
Answer: Key Points - Prostate cancer is a disease in which malignant (cancer) cells form in the tissues of the prostate. - Signs of prostate cancer include a weak flow of urine or frequent urination. - Tests that examine the prostate and blood are used to detect (find) and diagnose prostate cancer. - Certain factors affect prognosis (chance of recovery) and treatment options. Prostate cancer is a disease in which malignant (cancer) cells form in the tissues of the prostate. The prostate is a gland in the male reproductive system. It lies just below the bladder (the organ that collects and empties urine) and in front of the rectum (the lower part of the intestine). It is about the size of a walnut and surrounds part of the urethra (the tube that empties urine from the bladder). The prostate gland makes fluid that is part of the semen. Prostate cancer is most common in older men. In the U.S., about 1 out of 5 men will be diagnosed with prostate cancer.
Source: CancerGov

Question: Who is at risk for Prostate Cancer? ?
Answer: Prostate cancer is most common in older men. In the U.S., about one out of five men will be diagnosed with prostate cancer. Most men diagnosed with prostate cancer do not die of it. See the following PDQ summaries for more information about prostate cancer: - Prostate Cancer Screening - Prostate Cancer Treatment
Source: CancerGov