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Figure 2 (a) Computerized tomographic scan from a 46-year old man in group A (ventricular septal defect, VSD). There is extensive intrapulmonary hemorrhage (Hem) in the left lung, and a lesser degree in the right lung (unmarked white arrows). (b) Necropsy specimen from a 45-year-old man in group A (VSD). Sudden death was due to massive hemorrhage into the right lung as shown here. Vertical white arrows identify thick-walled intrapulmonary arteries of pulmonary vascular disease.