(a)
(b)
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(e)
Figure 4: The correlation between the measured values of right atrial appendage (RAA) and left atrial appendage (LAA). (a) Correlation between the neck areas of RAA and LAA. (b) Correlation between the volumes of RAA and LAA. (c) Correlation between the neck area/volume ratios of RAA and LAA. (d) Correlation between the surface area/volume ratios of RAA and LAA. (e) Correlation between the amount of pectinate muscles (PMs) of RAA and LAA.