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American Cancer Society: "Colorectal Cancer Risk Factors," "Colorectal Cancer Prevention and Early Detection," "Survival Rates for Colorectal Cancer by Stage."
Colon Cancer Alliance: "Fecal Immunochemical Test."
Exact Sciences Cologuard: "How Can I Get Screened With Cologuard?"
Harvard Health Publications: "Fecal Occult Blood Test."
National Cancer Institute: "Colorectal Cancer."
National Institute of Diabetes and Digestive and Kidney Diseases: "Flexible Sigmoidoscopy."
Levin, B. Gastroenterology, 2008.
Reviewed by Sabrina Felson, MD on July 31, 2020
This tool does not provide medical advice. See additional information.
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