Cancer: In some cases, if you have a high-grade rectal cancer it can act like a napkin ring around your colon resulting in bowel movements that are long and narrow caliber. There are all other sorts of reasons why stool has a particular appearance that are not related to cancer though. See your doctor.
Answered 4/26/2015
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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