Figure Legend
Figure 1. The heart is retracted cephalad and pushed into the right
pleural cavity exposing the posterior pericardial area. The anterior
wall of the pulmonary vein confluence(PVC) is resected to form a window
of the PVC (yellow arrow). Part of the posterior wall of the left atrium
is resected to form a transverse rectangular window of the left
atrium(red arrow).
Figure 2. The anterior wall of the pulmonary vein confluence(PVC) is
resected to form a window of the PVC (yellow arrow). Part of the
posterior wall of the left atrium is resected to form a transverse
rectangular window of the left atrium(red arrow) (MPA,main pulmonary
artery;VV,vertical vein;LUPV,left upper pulmonary vein;LLPV,left lower
pulmonary vein;IVC,inferior vena cava;LV,left ventricle).