title: Congenital choanal atresia.
mesh_terms: D000328:Adult; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D009666:Nose / Q000002:abnormalities* / Q000000981:diagnostic imaging; D011859:Radiography