PMC6368982_01
Contrast-enhanced computed tomography (CECT) of the thorax showed both aortic arches form a complete vascular ring, which encasing the trachea and esophagus. Asterisk (*), complete vascular ring
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PMC6368982_01_ijo-31-061-g001.jpg
F1
A contrast-enhanced computed tomography (CECT) of the thorax with a three-dimensional (3D) reconstruction confirmed a diagnosis of DAA, which was tightly encasing the trachea and esophagus (Fig.1,2).