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Screening colonoscopy was performed on 119 asymptomatic elderly men with no other risk factors for colonic neoplasms. Ninety adenomas were detected in 49 (41%) subjects. Mean adenoma size was 6.5 mm,… (More)
We prospectively screened 129 asymptomatic subjects (mean age 64 yr) with flexible sigmoidoscopy. Colonoscopy was performed at a later date, regardless of the sigmoidoscopic result. Our intent was 1)… (More)
The American Society for Gastrointestinal Endoscopy has promulgated guidelines on quality assurance in gastrointestinal endoscopy. Thorough documentation of endoscopy reports and a peer review… (More)
the colon and the rectum. Cancer 1975;36:2251-70. 5. Kosuka S, Nogaki M, Ozaki T, Masumori S. Premalignancy of the mucosal polyp of the large intestine. II. Estimation of the periods required for… (More)