Aberrant right subclavian artery with Kommerell diverticulum
Chest pain for evaluation.
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Kommerell diverticulum usually refers to the bulbous configuration of the origin of an aberrant left subclavian artery in the setting of a right sided aortic arch. However, it was originally described as a diverticular outpouching at the origin of an aberrant right subclavian artery with a left sided aortic arch as in this case.