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A member asked:
My stool contains black large flakes, say 1/4 inch in size. 1 1/2 days previous history of colon canc 15 yrs ago. anything to be concerned?
4 doctors weighed in across 2 answers
Black stool: Black stool or tarry black stool is a sign of upper GI tract bleeding, not from colon, but anyway needs to be evaluated.
Answered 7/11/2016
5.4k views
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Stools: Unusual if a foodstuff cannot be blamed then GI eval in order. Unusual presentation but digested blood black. Given history concerned for later.
Answered 5/12/2019
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I had precancerous polops in my colon two years ago now I am having black loose stool could it be cancer?
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