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Figure 2: Multiplanar reconstruction images viewed from the inferior direction at the level of the inferior caval vein (a), oval fossa (b), aortic root (c), left atrial appendage (d), pulmonary bifurcation (e), and azygos continuation (yellow arrow) to the superior caval vein (f). Note the wide extent of the pectinate muscles in the morphologically right appendage (b and c), whereas the pectinate muscle is confined within the left atrial appendage (d)

Figure 2: Multiplanar reconstruction images viewed from the inferior direction at the level of the inferior caval vein (a), oval fossa (b), aortic root (c), left atrial appendage (d), pulmonary bifurcation (e), and azygos continuation (yellow arrow) to the superior caval vein (f). Note the wide extent of the pectinate muscles in the morphologically right appendage (b and c), whereas the pectinate muscle is confined within the left atrial appendage (d)