retrosternal hernia

ret·ro·ster·nal her·ni·a

herniation through the sternocostal foramen (foramen of Morgagni), the opening for the superior epigastric vessels; herniation of omentum and intestines may occur.
References in periodicals archive ?
6) It is a retrosternal hernia, covered with a sac in almost all cases.
Retrosternal hernias are uncommon and account for only 1 - 2% of all congenital diaphragmatic hernias.