title: COMMON DISORDERS OF ANUS, RECTUM, AND SIGMOID.
mesh_terms: D001003:Anal Canal; D012809:Colon, Sigmoid; D003108:Colonic Diseases; D003107:Colorectal Surgery; D006801:Humans; D010808:Physical Examination; D011351:Proctoscopy; D012007:Rectum; D012812:Sigmoidoscopy
keywords: ANUS; COLONIC DISEASES; PHYSICAL EXAMINATION; PROCTOLOGY; PROCTOSCOPY; RECTUM; SIGMOID; SIGMOIDOSCOPY