Infant with dysphagia Pediatric Imaging Cardiovascular February 2, 2019July 26, 2019 AP (left) and lateral (right) images from an upper GI exam shows a left sided aortic arch and a posterior indentation on the esophagus. The diagnosis was left aortic arch with aberrant right subclavian artery. Related Published February 2, 2019July 26, 2019