Skip to content
My WebMD Sign In, Sign Up
Font Size

Prostate Cancer Prevention (PDQ®): Prevention - Patient Information [NCI] - General Information About Prostate Cancer

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. The prostate is 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 produces fluid that makes up part of the semen.
cdr0000450023.jpg
Anatomy of the male reproductive and urinary systems, showing the prostate, testicles, bladder, and other organs.

As men age, the prostate may get bigger. A bigger prostate may block the flow of urine from the bladder and cause problems with sexual function. This condition is called benign prostatic hyperplasia (BPH). BPH is not cancer, but surgery may be needed to correct it. The symptoms of BPH or of other problems in the prostate may be like symptoms of prostate cancer.
cdr0000462221.jpg
Normal prostate and benign prostatic hyperplasia (BPH). A normal prostate does not block the flow of urine from the bladder. An enlarged prostate presses on the bladder and urethra and blocks the flow of urine.

Prostate cancer is the second most common cancer among men in the United States.

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
1

WebMD Public Information from the National Cancer Institute

Last Updated: February 25, 2014
This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
Next Article:

Today on WebMD

Prostate Cancer Overview
SLIDESHOW
what is your cancer risk
HEALTH CHECK
 
woman speaking with doctor
VIDEO
Prostate Nerve Transplant
VIDEO
 
cancer fighting foods
SLIDESHOW
15 Cancer Symptoms Men Ignore
FEATURE
 
Prostate Enlarged
VIDEO
Picture Of The Prostate
ANATOMY
 
Prostate Cancer Quiz
QUIZ
screening tests for men
SLIDESHOW
 
Prostate Cancer Symptoms
VIDEO
Vitamin D
SLIDESHOW