Growths in your bowels (polyps)
Lots of people have growths in their bowels, and most of the time they're harmless. But they can sometimes become cancer, so if they're found they need to be checked.
They can be removed during the colonoscopy and tested.
Your results will tell you if you need any further tests or treatment.
Signs of bowel conditions
A colonoscopy can be used to look for bowel conditions like:
These conditions can be hard to diagnose, so you may also have other tests.