Fig. 2From: Left subclavian artery revascularization in thoracic endovascular aortic repair: single center’s clinical experiences from 171 patientsA In situ needle puncture is performed and a 0.014-inch guidewire was advanced through the aperture into the aorta; B DSA is repeated to confirm the exclusion of aortic disease and the patency of the LSABack to article page