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Figure 3: Multiplanar reconstruction images viewed from the apical (left anterior oblique) direction at the level of the papillary muscle (a), tendinous chord (b), atrioventricular junction (c), coronary sinus (d), oval fossa (e), and azygos continuation (yellow arrows) to the superior caval vein (f). Note the wide extent of the pectinate muscles in the morphologically right appendage (d-f), whereas the pectinate muscle is confined within the left atrial appendage (b)

Figure 3: Multiplanar reconstruction images viewed from the apical (left anterior oblique) direction at the level of the papillary muscle (a), tendinous chord (b), atrioventricular junction (c), coronary sinus (d), oval fossa (e), and azygos continuation (yellow arrows) to the superior caval vein (f). Note the wide extent of the pectinate muscles in the morphologically right appendage (d-f), whereas the pectinate muscle is confined within the left atrial appendage (b)