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Colon Cancer/rectal bleeding/ blood in stool
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Question
Dr., Since I have colon cancer in my family history, I had a colonoscopy last May ('00). It showed everything to be clear. I am now experienceing blood in stool - most bright red, but some dark red. What could this be coming from?
Could be hemorrhoids, fissures, diverticulosis, arteriovenous malformation, inflammatory bowel disease, upper gastrointestinal bleeding, infection, or possibly cancer.
Cancer is not the most likely thing since you had a normal colonoscopy less than a year ago, but I would still have it checked out.
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John C. M.D.
Expertise
I can answer questions regarding molecular biology, risk factors, and other aspects of colon and rectal cancer. I will only be able to answer questions regarding chemotherapy and radiation therapy in general terms.
Experience
Extensive research in molecular biology and clinical aspects of colon cancer at the University of Minnesota Cancer Center
Publications
Surgical Forum
Seminars in Colon & Rectal Surgery
Diseases of the Colon and Rectum (in publication)
Education/Credentials
M.D. University of Minnesota 1994
Clinical Research Fellow, University of Minnesota Cancer Center 1996-1999
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