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A member asked:
What causes black tarry stools, i always heard it was cancer?
A doctor has provided 1 answer
Bleeding in GI: Bleeding in the intestine causes black tarry stools. It could be bleeding from ulcers in the stomach, duodenum, vascular malformation of cancer in the GI tract. In any case, you should consult your doctor for a proper evaluation.
Answered 6/10/2014
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