Congenital choanal atresia.
D006801:Humans; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases; D008297:Male; D009666:Nose / Q000002:abnormalities*; D009667:Nose Deformities, Acquired / Q000151:congenital / Q000601:surgery*; D014140:Tracheotomy