Left Aortic Arch With Aberrant Right Subclavian Artery

  • Etiology: congenital
  • UGI: posterior indentation on the esophagus
  • Clinical: usually asymptomatic but occasionally can have dysphagia lusora

Radiology Cases of Left Aortic Arch With Aberrant Right Subclavian Artery

UGI of left aortic arch with aberrant right subclavian artery
AP (left) and lateral (right) images from an upper GI exam shows a left sided aortic arch and a posterior indentation on the esophagus.