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Colorectal cancer: screening

By Carmen Lynn Lewis


Colorectal cancer is a malignant neoplasm arising from the lining of the large intestine. Nearly two thirds of colorectal cancers occur in the rectum or sigmoid colon. It is the third most common cancer in resource rich countries, accounting for about 20,000 deaths each year in the UK, and 60,000 each year in the USA.Screening is defined (and distinguished from testing on demand) as any organised or systematic testing of asymptomatic people

Topics: Digestive System Disorders
Publisher: BMJ Publishing Group
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Provided by: PubMed Central
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