http://www.cherubs-cdh.org/cdh/cdhqanda.shtml
CHERUBS - The Association of Congenital Diaphragmatic Hernia Research, Advocacy, and Support
Congenital Diaphragmatic Hernia (CDH) is a birth defect that occurs when the diaphragm does not fully form, allowing organs to enter the chest cavity preventing lung growth. CDH strikes 1 in every 2500 babies. This document provides answers to questions about CDH.