Mondo Description Congenital diaphragmatic hernia (CDH) is a posterolateral defect of the diaphragm that allows passage of abdominal viscera into the thorax, leading to respiratory insufficiency and persistent pulmonary hypertension with high mortality.

Disease Ontology Description A diaphragm disease characterized by the lack of development of all or part of the diaphragm, which results in an abnormal opening that allows the stomach and intestines to move into the chest cavity and crowd the heart and lungs.