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To present our early and midterm results using thoracic endovascular aortic repair (TEVAR) with a custom-made proximal scalloped stent graft to accommodate left common carotid artery (LCCA) and innominate artery (IA) in treating aortic lesions involving the arch.Between February 2014 and April 2017, select patients presenting with aortic arch lesions and short proximal landing zone were treated by proximal scalloped Relay Plus stent grafts. Patient demographics, operative details, clinical outcomes, and complications were analyzed.Six patients (50% male) with a median age of 71 years (range, 60-82) underwent scalloped TEVAR using thoracic custom-made Relay Plus stent graft to preserve flow in the proximal supra-aortic trunks. Target vessels for the scallop were LCCA in 5 cases and IA in 1 case. The technical success rate was 100%, and proximal seal was achieved in all cases with no type I endoleaks on completion angiography. The median follow-up period was 20 (7-32) months. No conversion to open surgical repair and no aortic rupture occurred. One patient had a distal type I endoleak on the 6-month computed tomography (CT) scan, and 1 patient had a proximal type I endoleak on the 12-month CT scan. There was no stroke, paraplegia, retrograde type A dissection, or other aortic-related complication. We routinely used temporary rapid right ventricular pacing to obtain a near-zero blood pressure level during the graft deployment. No complications were observed related to the use of rapid pacing.When anatomy allows, proximal scalloped stent graft to accommodate LCCA and IA is a viable therapeutic option in treating aortic lesions involving the arch with short proximal landing zones. In addition, these findings represent a strong argument for the use of temporary rapid pacing during graft deployment.