1.
基线数据
Baseline characteristics
| Baseline characteristics | |
| Number of patients | 20 |
| Gender | |
| Male | 11 |
| Female | 9 |
| Age (yr) | 57.2±10.2 |
| Size (mm) | 10.65±2.3 |
| Position | |
| Left | 11 |
| Right | 9 |
| Complication | |
| Pneumothorax | 1 |
| Pleural effusion | 1 |
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