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Figure 3 (a) Computerized tomographic scan from a 48-year-old man in group A (ventricular septal defect, VSD). Massive in situ thrombus filled an aneurysmal right pulmonary artery (RPA). The lumen (lower arrow) was strikingly reduced, and there was mural calcification (Ca++). (b) Necropsy specimen showing massive in situ thrombus in an aneurysmal RPA of a 45-year old man in group A (VSD). The strikingly reduced lumen is identified by the lower arrow. Sudden death was due to massive intrapulmonary hemorrhage.
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