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  • Anal cancer is a rare type of cancer that affects the anus.
  • The anus is where your bowel connects to the outside of your body (the bottom).
  • Anal cancer can start in any part of the anus.
  • How serious anal cancer is depends on where it starts, how big it is, if it spreads and your general health.

Important: Get your symptoms checked

It's important to get any symptoms of anal cancer checked as soon as possible. Finding it early can make it more treatable.

Page last reviewed: 08 March 2021
Next review due: 08 March 2024