Nasopharyngeal stenosis.
D000233:Adenoidectomy; D000768:Anesthesia, General; D000772:Anesthesia, Local; D002648:Child; D002675:Child, Preschool; D006801:Humans; D009302:Nasopharyngeal Diseases / Q000209:etiology*; D010159:Palate / Q000601:surgery; D011183:Postoperative Complications; D014068:Tonsillectomy; D014140:Tracheotomy