case_images: PMC6368982_01
case_images: 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
case_images: ijo-31-061-g001.jpg
case_images: PMC6368982_01_ijo-31-061-g001.jpg
case_images: F1
case_images: 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).