Causes and risk factors of rectal cancer

The cause of rectal cancer is unknown, but your age, lifestyle and other conditions can affect your risk of developing it.

  • Genetic testing and counselling

    You might be offered the chance to test for some genetic conditions. It's important to understand what might happen and the effect any possible results might have.

  • Potential causes of rectal cancer

    Find out about what can increase your risk of getting rectal cancer, what to look out for and the changes you could make to reduce your risk.

Back to Diagnosing

How rectal cancer is diagnosed

You might notice changes in your body. There are lots of possible causes for different symptoms, so it’s important to know what to look out for. If your doctor wants to find out more they might organise different tests or scans.