Illustration of the anatomical forms of congenital esophageal atresia and congenital tracheoesophageal fistula. From left tp right : -total cordonal atresia -segmental atresia -segmental atresia with cranial fistula -segmental atresia with caudal fistula -segmental atresia with cranial and caudal fistulas -esophagotracheal fistula without atresia, known as H-type fistula