Thin stools could indicate colon obstructions or narrowing of the intestines Bloody stools could be a sign of hemorrhoids, Crohn's disease, and colon cancer READ MORE: Mystery epidemic of colon ...

When she finally did, she was diagnosed with stage 4 colon cancer. Narrow stool can be a red flag. Doctors will sometimes see patients whose “stools are much thinner, or they’re pencil in thickness ...