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Extensive dissection of the thoracoabdominal aorta involving a left-sided aortic arch with an aberrant right subclavian artery originating from Kommerell's diverticulum.
Extension of the dissection into the aberrant right subclavian artery and left common iliac artery is noted.
The true lumen is the origin of the celiac trunk, SMA, and right renal artery.
The false lumen is the origin of the left renal artery.
Thrombus formation within the false lumen of the thoracic aorta.