title: How accurately do we diagnose tumours at the rectosigmoid junction?
mesh_terms: D000368:Aged; D001466:Barium Sulfate; D004733:Enema; D005260:Female; D006801:Humans; D008875:Middle Aged; D010173:Palpation; D011859:Radiography; D012004:Rectal Neoplasms / Q000175:diagnosis* / Q000000981:diagnostic imaging; D012811:Sigmoid Neoplasms / Q000175:diagnosis* / Q000000981:diagnostic imaging; D012812:Sigmoidoscopy
chemical_list: D001466:Barium Sulfate