Intraoperative angiography of the aortic arch via port catheter system allows visualization of the misplaced port catheter and the supra-aortic arteries. Aortic arch (1), brachiocephalic trunk (2), left common carotid artery (3), right subclavian artery (4), right common carotid artery (5), left subclavian artery (6), tip of the catheter (arrow)