OverviewAn abnormal opening in the diaphragm that allows part of the abdominal organs to migrate into the chest cavity, occurring before birth.
Update Date 6/9/2013
Updated by: Sameer Patel, MD, Assistant Professor of Pediatrics, Northwestern University, Feinberg School of Medicine, Chicago, IL. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Bethanne Black, and the A.D.A.M. Editorial team.