DISCUSSION: Heart - lung herniation after thoracic surgery is a rare complication, few cases had been reported for lung or heart herniation, Most of cardiac herniations are caused following blunt trauma producing rupture of the pericardium. Lung hernias have also been described as a result of tumors, chest-wall abscess, or invasion from tuberculosis. Diagnosis is made with chest radiograph or CT. Cardiopulmary compromise is the most serious complications which may include cardiogenic shock, and picture of cardiac tamponad, which can cause systemic hypoperfusion and increase inotropic, and pressores requirement, and delay the weaning from MV post operatively. Conservative management is an option in stable patient's, however, surgical repair should be instituted. In unstable patients.