Many times enlargement of the prostate does not pose a problem.

Prostate. The prostate gland, approximately the size of a walnut, is located at the base of the urinary bladder. This gland literally encircles the urethra, the tube emptying the bladder, which is the only exit for urine from the bladder. Because of the intimate anatomic relationship between the prostate, the bladder neck, and the urethra, [...]