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Figure 2. A 6-year-old boy with a right-sided aortic arch and aberrant left subclavian artery. Volume-rendered three-dimensional images in (a) anterior and (b) posterior projection show right-sided elongated aortic arch (A) with ipsilateral descending aorta (DA) and aberrant left subclavian artery originating from the right-sided aortic arch being the last branch which passes to the left (arrow). ALSA, aberrant left subclavian artery; RSA, right subclavian artery; LVA, left vertebral artery; RVA, right vertebral artery; LCCA, left common carotid artery; RCCA, right common carotid artery.
