Figure. A and B - Gross examination of the heart. A - Opened right cardiac chambers. The asterisk marks the atrial septal defect located at the fossa ovalis (so-called secundum defect); B - The right ventricle hypertrophy and pulmonary artery trunk (PT) dilation with atherosclerotic plaques; C and D - Macroscopic findings of the lungs; C - The dilation and atherosclerosis of the pulmonary artery (PA) (arrowhead points to a plaque) and its branches; D - PA thrombosis (white arrowhead). TV = tricuspid valve.