Established for over 10 years as "the gold standard in its discipline" (JAMA), Dr. Corman's classic is now in its updated and expanded Fourt h Edition. With 11 new contributing authors, 11 new chapters, and over 1,000 new illustrations, this edition is the most current, comprehens ive, and abundantly illustrated text on colorectal surgery. The book provides complete coverage of the diagnosis and treatment of all disor ders affecting the anus, rectum, and colon. New to the Fourth Edition are chapters on anatomy, embryology, and physiology of the anus, rectu m, and colon; diet and drugs in colorectal surgery; flexible sigmoidos copy and colonoscopy; setting up a colorectal physiology laboratory; a nalgesia; colorectal trauma; management of foreign bodies; colorectal manifestations of AIDS; laparoscopic-assisted colon and rectal surgery; and enterostomal therapy. The authors describe in precise detail com plex anorectal and colon operations, particularly reconstructive surge ry.