title: Carcinoma obstructing the trachea. Treatment by laser resection.
mesh_terms: D000328:Adult; D000402:Airway Obstruction / Q000209:etiology*; D020680:Bronchoscopes; D002245:Carbon Dioxide / Q000627:therapeutic use; D002277:Carcinoma / Q000150:complications* / Q000601:surgery; D005260:Female; D006801:Humans; D053685:Laser Therapy; D008875:Middle Aged; D014134:Tracheal Neoplasms / Q000150:complications* / Q000601:surgery
chemical_list: D002245:Carbon Dioxide