A typical prostate is about the size of a walnut, but prostate enlargement is common with age. The prostate is a part of the reproductive system. It’s a small gland positioned in front of the rectum, ...

Despite its importance, the prostate gland in an adult man is only about the size and shape of a walnut and weighs less than 1 ounce (20 to 30 grams). It is located below the bladder, above the pelvic ...

Men with smaller prostates had more high-grade cancers and more advanced disease and were at greater risk of progression after RP. These results suggest that prostate size may be an important ...