Diaphragmatic hernia can occur through all the following except

Sites of Congenital Hernia -        Posterolateral costo vertebral hernia - (Foramen of Bochdalek) - Most common. More common on left side. -        Retrosternal - (Foramen of Morgagni) - More common on right side -        Posterior hernia - Failure of posterior part development of diaphragm. -        Central hernia - Rupture of fetal membranous diaphragm - Rare. If present, more commonly seen on left side. -        Through esophageal opening.