A 39-year-old member asked:
Is it true that occult blood is more comon with cancer?
1 doctor answer • 4 doctors weighed in
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.
5.3k viewsReviewed >2 years ago
Last updated Mar 12, 2013
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