title: DIFFERENTIATION OF TRUE POLYPOID TUMORS OF THE COLON FROM EXTRANEOUS MATERIAL: A NEW ROENTGEN SIGN.
mesh_terms: D000230:Adenocarcinoma; D000231:Adenocarcinoma, Papillary; D001466:Barium Sulfate; D003110:Colonic Neoplasms; D003937:Diagnosis, Differential; D006801:Humans; D009369:Neoplasms / Q000175:diagnosis*; D010212:Papilloma; D011127:Polyps; D011859:Radiography
chemical_list: D001466:Barium Sulfate
keywords: ADENOCARCINOMA, PAPILLARY; BARIUM SULFATE; COLONIC NEOPLASMS; DIAGNOSIS, DIFFERENTIAL; NEOPLASM DIAGNOSIS; PAPILLOMA; POLYPS; RADIOGRAPHY