Skip to main content
. 2015 Jun 22;32(5):568–577. doi: 10.1093/fampra/cmv048

Colorectal cancer: risk factors

Do you have a close relative who has had small growths in the lining of the gut or bowels (polyps) before the age of 50?
Do you have a close relative who has had bowel cancer before the age of 50?
Do you have a family history of abnormal small growths in the lining of the gut or bowels (polyp/familial polyposis coli)?
Do you suffer from a condition like Crohn’s disease or ulcerative colitis, which results from inflammation in the gut, which flares up now and again? (inflammatory bowel disease)
Have you ever been diagnosed with non-cancerous small growths in the lining of the gut or bowels (polyps)?
Have you ever been told that you have >10 of these polyps?
Did you think your symptoms might indicate something serious?