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A 39-year-old member asked:

Is it true that occult blood is more comon with cancer?

1 doctor answer4 doctors weighed in
Dr. Andrew Turrisi
Radiation Oncology 47 years experience
There are many: Causes of occult blood, cancer is one of them. Some cancers do not bleed. Most guaiac + samples are not caused by cancer.

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Last updated Mar 12, 2013
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