This book provides a descriptive account of the endoscopic procedures related to rectum and colon. It commences with basic topics like screening by colonoscopy, and preparation and monitoring for this test. In addition to these approaches, the book discusses endoscopic diagnostic and therapeutic aspects in the colon and rectum. The description of each topic is very comprehensive, instructive and coherent. This book targets general and colorectal surgeons as it presents guidelines for diagnosis and treatment which are very well established.