Subglottic stenosis:  a cause of difficult intubation.
D000758:Anesthesia / Q000150:complications*; D000776:Anesthesiology; D003251:Constriction, Pathologic; D007440:Intubation; D007442:Intubation, Intratracheal / Q000150:complications*; D014132:Trachea; D014135:Tracheal Stenosis
ANESTHESIA, ENDOTRACHEAL/complications; TRACHEA/stenosis