Letter to the editor.
D018376:Cardiovascular Abnormalities; D003251:Constriction, Pathologic; D004940:Esophageal Stenosis; D004947:Esophagus; D014132:Trachea; D014135:Tracheal Stenosis
CARDIOVASCULAR DEFECTS, CONGENITAL; ESOPHAGUS/stenosis; TRACHEA/stenosis