title: [Rectal bleeding: when is it a sign of colon cancer?].
authors: M
authors: M
authors: Scheurlen
mesh_terms: D003113:Colonoscopy; D015179:Colorectal Neoplasms / Q000175:diagnosis*; D003937:Diagnosis, Differential; D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D006801:Humans; D011237:Predictive Value of Tests