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Dilated ascending aorta in a 43-year-old male with persistent truncus arteriosus. (A) Dilated truncal artery (Tr A) with the right pulmonary artery (RPA) directly coming out from the Tr A. Calcium deposition was observed in the RPA (CT angiography); (B) Grade 2 abnormality in the aortic media was noted (light microscopy).
