It involves three major defects: * A failure of the diaphragm to completely close during development *<unk> tion of the abdominal contents into the chest * Pulmonary hypoplasia
Congenital diaphragmatic hernia
Tracheal agenesis
Pulmonary atresia
Pulmonary agenesis
Asphyxiating thoracic dysplasia
Pulmonary artery sling
Pulmonary hypoplasia
First arch syndrome