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Right lateral view of the mediastinal cavity showing (2:ARS) Aberrant right subclavian artery; (CVC) Cranial vena cava; (CCV) Costocervical vein; (VN) Vagus nerve; (PhN) Phrenic nerve; and (T) Trachea. Note the sulcus (arrow) on the dorsal aspect of the esophagus (E).
