A diaphragmatic hernia comes about when at least one abdominal organ bulges in the chest by way of a gap in the diaphragm. It’s from time to time existing at beginning. When this takes place, it’s known as a congenital diaphragmatic hernia (CDH).B?m tr?c vít Roto B?m ??nh l??ng tr?c vít B?m hóa ch?t argal b?m hóa ch?t cheonsei B?m hóa ch?t