However, Dr. Cao says, “It’s worth noting that these tests do not evaluate for other causes of abnormal bowel movements like intestinal obstruction or dyssynergic defecation, and do not check ...

He started experiencing "sudden abdominal pains", which was initially thought to be appendicitis. But a scan revealed that Mr Butcher's bowel was "completely blocked" by a cancerous tumour.

Colon cancer causes other changes in your poop habits too, like diarrhea and constipation. Stomach pain, unexplained weight ...