Figure 6: Right aortic arch with mirror-image branching (Edward Type I without vascular ring or aortic diverticulum) occurs when complete involution (shaded segment) is present in the left aortic arch distal to left ductus. R: Right, L: Left, CCA: Common carotid artery, SA: Subclavian artery, PA: Pulmonary artery, Ao: Aorta, Tr: Trachea, Os: Oesophagus (modifi ed from Shuford, et al.[10])
![Figure 6: Right aortic arch with mirror-image branching (Edward Type I without vascular ring or aortic diverticulum) occurs when complete involution (shaded segment) is present in the left aortic arch distal to left ductus. R: Right, L: Left, CCA: Common carotid artery, SA: Subclavian artery, PA: Pulmonary artery, Ao: Aorta, Tr: Trachea, Os: Oesophagus (modifi ed from Shuford, <i>et al</i>.<sup>[10]</sup>)](articles/2015/8/2/images/MedJDYPatilUniv_2015_8_2_250_153179_f6.jpg)