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Emergent left subclavian artery (LSA) chimney stenting in TEVAR for a traumatic aortic pseudoaneurysm. (A and B) Preoperative CTA showed pseudoaneurysm of the aortic arch. (C and D) digital subtraction angiography (DSA) demonstrated total exclusion of the pseudoaneurysm and preserved LSA blood flow after TEVAR plus LSA chimney stent implantation.
