Diaphragmatic Hernia 4, with Cardiovascular Defects, is also known as dih4. An important gene associated with Diaphragmatic Hernia 4, with Cardiovascular Defects is ALDH1A2 (Aldehyde Dehydrogenase 1 Family Member A2). Affiliated tissues include thymus, and related phenotypes are pulmonary hypoplasia and micrognathia