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中转开胸组手术时间及出血量情况（Mean±SD）
Operation time and blood loss in the conversion to thoracotomy group (Mean±SD)
| Reasons | Operation time (min) | Bleeding (mL) |
| Compared with the other groups, the operative time was aP < 0.05; Compared with the other groups, the amount of blood loss was bP < 0.05. | ||
| Dense adhesion | 240.05±62.75 | 359.09±293.84 |
| Lymph node interference | 322.50±22.68a | 246.43±50.93 |
| Vascular injury | 210.84±58.21 | 560.94±361.84b |
| Others | 206.43±44.95 | 225.71±77.43 |
| Total | 236.99±66.50 | 395.85±306.38 |
