Bladder Cancer

What Is It?

This type of cancer occurs in the bladder — the organ that stores urine. The bladder has an inner lining surrounded by a layer of muscle. Bladder cancer begins in the inner lining of the bladder. It is usually discovered before it has spread past this lining.

Risk factors for bladder cancer include:

  • Cancer-causing substances such as tobacco smoke and chemicals in the environment

  • Exposure to certain industrial chemicals

  • Long-standing bladder stones

Bladder cancer tends to return in people who have had the disease.

To continue reading this article, you must login.
  • Research health conditions
  • Check your symptoms
  • Prepare for a doctor's visit or test
  • Find the best treatments and procedures for you
  • Explore options for better nutrition and exercise
Learn more about the many benefits and features of joining Harvard Health Online »