title: Squamous metaplasia and ossification in colonic adenocarcinoma.
mesh_terms: D000230:Adenocarcinoma / Q000473:pathology*; D000368:Aged; D003110:Colonic Neoplasms / Q000473:pathology*; D004848:Epithelium / Q000473:pathology; D006801:Humans; D008297:Male; D008679:Metaplasia; D009999:Ossification, Heterotopic