Figure 4From: Multidetector-row computed tomography of thoracic aortic anomalies in dogs and cats: Patent ductus arteriosus and vascular ringsKommerell's diverticulum in a cat. Volume-rendered 3-dimensional MDCT reconstruction of a persistent right aortic arch (PRAA) with aberrant left subclavian artery (ALSA) showing Kommerell's diverticulum (KD) at its origin in a European short hair. LCA = left carotid artery, RCA = right carotid artery, RSA = right subclavian artery.Back to article page