title: Carcinoma arising in a tracheostomy scar.
mesh_terms: D002277:Carcinoma / Q000473:pathology* / Q000601:surgery; D002921:Cicatrix; D006258:Head and Neck Neoplasms / Q000473:pathology / Q000601:surgery; D006801:Humans; D008297:Male; D008875:Middle Aged; D014134:Tracheal Neoplasms / Q000473:pathology* / Q000601:surgery; D014140:Tracheotomy