Figure 3. Common origin of the right brachiocephalic trunk and left common carotid artery in a 83-year-old man. Oblique coronal maximum intensity projection computed tomography angiographic image (A) and 3D volume-rendered image (B) show the common origin of the right brachiocephalic artery and left common carotid artery from the left aortic arch.

LCCA: left common carotid artery, LSA: left subclavian artery, RBCA: right brachiocephalic artery.