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What is bladder cancer?

  • Bladder cancer is cancer that's found anywhere in your bladder. There are different types of bladder cancer depending on where in your bladder the cancer started.
  • The bladder is an organ that collects and stores pee.
  • How serious bladder cancer is depends on how big the cancer is, if the cancer has spread, and your general health.
  • One of the main causes of bladder cancer is smoking.
  • It's more common in men and people over the age of 60.
Diagram of the tummy area of a male with labels showing the bladder, prostate, ureters, urethra and kidneys. The bladder is highlighted to show it can be affected by bladder cancer.
In men, the tube that carries pee out the body from the bladder (urethra) goes through the prostate and along the penis.
Diagram of the tummy area of a female with labels showing the bladder, ureters, urethra and kidneys. The bladder is highlighted to show it can be affected by bladder cancer.
Women have a shorter urethra that carries pee out of the body through a small hole in front of the opening of the vagina.

Page last reviewed: 15 April 2025
Next review due: 15 April 2028