Colon Cancer |
Cancers of the Anus and Rectum03/09/2009 |
What causes malignant tumors of anus or rectum to bleed and do they bleed intermittently or persistently?
They can bleed for several reasons: thinned blood, firm stools, tumor cells eroding blood vessels, and can ooze continuosly or intermittently.
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Janice Frederick Rafferty, MD Professor of Surgery Chief of Colorectal Surgery Division College of Medicine University of Cincinnati |