Michael P. D'Alessandro, M.D.
Peer Review Status: Internally Peer Reviewed
The normal aorta produces a lateral indentation on the esophagus and slightly displaces the trachea to the right. Variations in great vessel origin include:
The aberrant right subclavian artery crosses behind the esophagus and extends obliquely upward to the right arm.
On an esophagram, a characteristic oblique lower left to upper right posterior esophageal indentation is seen.
See References Chapter.
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