title: Diagnostic approach to evaluating the cause of a positive fecal occult blood test.
mesh_terms: D001466:Barium Sulfate; D002986:Clinical Trials as Topic; D003110:Colonic Neoplasms / Q000175:diagnosis* / Q000000981:diagnostic imaging; D003113:Colonoscopy; D003937:Diagnosis, Differential; D004066:Digestive System Diseases / Q000175:diagnosis; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009780:Occult Blood; D011379:Prognosis; D011859:Radiography; D012004:Rectal Neoplasms / Q000175:diagnosis* / Q000000981:diagnostic imaging; D012812:Sigmoidoscopy
chemical_list: D001466:Barium Sulfate