Adenomatous Polyps of the Colon

From the University of Colorado School of Medicine (J.S.L., D.J.A.) and the Denver Department of Veterans Affairs Medical Center (D.J.A.) - both in Denver. Address reprint requests to Dr. Ahnen at the Gastroenterology Section (111E), Denver Department of Veterans Affairs Medical Center, 1055 Clermont St., Denver, CO 80220, or at [email protected].