<prompt> All are true about congenital diaphragmatic hernia except ___Usually associated with polyhydramniosMost commonly seen on left sideMoality associated with pulmonary hypoplasiaPulmonary dilators markedly improve survival  <response>: Congenital diaphragmatic herniaCDH occurs when the diaphragm muscle -- the muscle that separates the chest from the abdomen -- fails to close during prenatal development, and the contents from the abdomen stomach, intestines andor liver migrate into the chest through this hole. Reference: GHAI Essential pediatrics, 8th edition 