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There was a double aortic arch surrounding the trachea and esophagus in the form of a ring. The ascending aortic diameter was 32 mm, the descending aortic diameter was 29 mm, the right aortic arc diameter was 28.4 mm, and the left aortic arc diameter was 13.8 mm. Right aortic arch dominant, left hypoplasia observed. In addition, the right atrium and right ventricle were smaller than the left and their contours were irregular.
Azygos fissure and lobe are incidentally noted.