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Figure 5 (Upper panels) Additional right pulmonary vein (arrow), as observed with multislice computed tomography (A) and with intracardiac echocardiography (B). (Lower panels) Common ostium (double arrow) of the left pulmonary veins, as observed with multislice computed tomography (C) and with intracardiac echocardiography (D). Abbreviations as in Figure 1.