2 doctors weighed in:

How thin does a ribbon stool have to be in order to be a concern that it's colon cancer?

2 doctors weighed in
1 doctor agrees

In brief: Pencil thin stool

Pencil thin stools should generally be like that.
However any change in bowel habits or bleeding should prompt evaluation by your pcp gastroenterologist or colorectal surgeon.

In brief: Pencil thin stool

Pencil thin stools should generally be like that.
However any change in bowel habits or bleeding should prompt evaluation by your pcp gastroenterologist or colorectal surgeon.
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