You usually start by seeing your GP. They will ask you about your general health and symptoms and will also examine you. This might include an examination of your back passage (rectum). Your doctor will then decide whether to do tests or refer you to a specialist.
Find out what happens when you see your GP and how to get the most out of your appointment.
Find out when GPs refer people to see a bowel cancer specialist.
Find out about the tests you might have to diagnose bowel cancer.
These tests find out the position of the cancer, how big it is and whether it has spread. This tells you the stage of your bowel cancer.
Find out about bowel cancer screening programmes in the UK.
Find out about screening for people at high risk of bowel cancer.