Prostate cancer is a life-threatening tumor that develops in the prostate. The prostate is a gland in men within the pelvis at the base of the penis. It surrounds the bottom part of the bladder and urethra. The prostate produces a fluid that nourishes sperm and is ejaculated with semen, the fluid that carries sperm.
Prostate cancer is the most common cancer in American men.
Two to three times more African-American men get prostate cancer than white men. The risk for prostate cancer increases with age. It usually occurs after age 50. It is not known how prostate cancer occurs. None of these factors has been definitely linked to prostate cancer.