title: [Clinical observation of malignant transformation of colonic polyps: a report of three cases (author's transl)].
mesh_terms: D000328:Adult; D002471:Cell Transformation, Neoplastic / Q000473:pathology; D003110:Colonic Neoplasms / Q000473:pathology*; D005260:Female; D006801:Humans; D007417:Intestinal Polyps / Q000473:pathology*; D008297:Male; D008875:Middle Aged