An analysis of the first 1 million screenings in the Bowel Cancer Screening Programme in England found 77 percent of cancer was on the left side of the bowel compared to 14 percent on the right side, according to findings published in the Gut journal.
Based on previous research using the UK cancer registration, researchers expected 67 percent of cancers to be found on the left side and 24 percent on the right side. Researchers also found a 2.5 percent incidence of abnormal tests in men and a 1.5 percent incidence in women. Of those undergoing investigation after initial testing, 98 percent had a colonoscopy. Cancer was found in 11.6 percent of men and 7.8 percent of women. High risk adenomas were found in 43 percent of men and 29 percent of women. They also found that 71 percent of the cancers were classified as early stage.
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Based on previous research using the UK cancer registration, researchers expected 67 percent of cancers to be found on the left side and 24 percent on the right side. Researchers also found a 2.5 percent incidence of abnormal tests in men and a 1.5 percent incidence in women. Of those undergoing investigation after initial testing, 98 percent had a colonoscopy. Cancer was found in 11.6 percent of men and 7.8 percent of women. High risk adenomas were found in 43 percent of men and 29 percent of women. They also found that 71 percent of the cancers were classified as early stage.
Related Articles on Colorectal Cancer:
Colorectal Cancer Incidence Increasing in Adults Under 50
More than Half of Seniors Screened for Colon Cancer Despite Risks, Limited Benefit
Broccoli Can Prevent Colon Cancer