The distribution of the PLS
A total of 69 PLS were found in 31 patients. The distribution of the PLS
was shown in Figure 3. 23 (33%) and 22 (32%) of the 69 PLS were found
around PV antrum and left atrial appendage (LAA) base, respectively.
Subsequently, 9 (13%), 6 (9%), 5 (7%), 4 (6%) of the 69 PLS were
found around the left atrial septum, left atrial posterior wall, left
atrial roof and left atrial bottom, respectively.