Adenoid cystic carcinoma of the trachea.
D000368:Aged; D000402:Airway Obstruction / Q000209:etiology; D003528:Carcinoma, Adenoid Cystic / Q000473:pathology* / Q000601:surgery; D005260:Female; D006801:Humans; D014134:Tracheal Neoplasms / Q000473:pathology* / Q000601:surgery