Morgagni hernia is a congenital diaphragmatic hernia that occurs secon
dary to potential anterior medial defects in the diaphragm. Although t
he hernia usually is diagnosed incidentally, appearing as a mass on ch
est radiograph, symptoms of bowel obstruction may occur. Surgical repa
ir is required. in all cases and may be performed with either the abdo
minal or transthoracic approach.