Results of screening colonoscopy among persons 40 to 49 years of age.

<h4>Background</h4>The prevalence of colorectal lesions in persons 40 to 49 years of age, as identified on colonoscopy, has not been determined.<h4>Methods</h4>We reviewed the procedure and pathology reports for 906 consecutive persons 40 to 49 years of age who voluntarily participated in an employe... View More