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. 2012 Mar 1;106(7):1274–1279. doi: 10.1038/bjc.2012.69

Table 2. Procedure-related clinical adverse events.

Adverse event All grades Grade 1 Grade 2 Grade 3 Grade 4 Grade 5
Pleural effusion 137 (27.8%) 135 (27.4%) 2 (P<0.01) 0 0 0
Bilioma 19 (3.9%) 18 (3.7%) 0 1 (P<0.01) 0 0
Subcapsular hematoma 24 (4.9%) 24 (4.9%) 0 0 0 0
Lung atelectasis 28 (5.7%) 28 (5.7%) 0 0 0 0
Intraabdominal bleeding 1 (P<0.01) 0 0 1 (P<0.01) 0 0