title: [Case of carcinosarcoma of the piriform sinus].
mesh_terms: D002296:Carcinosarcoma / Q000473:pathology* / Q000601:surgery; D006801:Humans; D007822:Laryngeal Neoplasms / Q000473:pathology* / Q000601:surgery; D008297:Male; D008875:Middle Aged; D010611:Pharyngectomy