Fig. 1.

Pulmonary arterial thrombosis in atrial septal defect with Eisenmenger syndrome. A: chest radiography revealed marked enlargement and lobulated contour of the hilar shadows of bilateral pulmonary arteries. B: electrocardiogram revealed right axis deviation and bi-ventricular hypertrophy with strain pattern. C: thoracic computed tomographic (CT) scan showed thrombus in the aneurysmal dilatation of proximal pulmonary arteries. D: the transthoracic echocardiography showed a large secundum type atrial septal defect (ASD).