Significance of bowel symptoms.
D000005:Abdomen; D003108:Colonic Diseases / Q000175:diagnosis*; D003110:Colonic Neoplasms / Q000175:diagnosis*; D003113:Colonoscopy; D003248:Constipation / Q000209:etiology; D003937:Diagnosis, Differential; D003967:Diarrhea / Q000209:etiology; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis* / Q000209:etiology; D006801:Humans; D008551:Melena / Q000175:diagnosis / Q000209:etiology; D009780:Occult Blood; D010146:Pain / Q000175:diagnosis; D012002:Rectal Diseases / Q000175:diagnosis*; D012004:Rectal Neoplasms / Q000175:diagnosis*