Table 2.
Details of surgical techniques
| All patients (n = 524) | Group HM + PM (n = 106) | Group PM (n = 418) | P value | |
|---|---|---|---|---|
| No. (%) | No. (%) | No. (%) | ||
| Extent of PM | 0.35 | |||
| Precision excision | 20 (3.8) | 5 (4.7) | 15 (3.6) | |
| Wedge resection | 368 (70.2) | 77 (72.6) | 291 (69.6) | |
| Segmentectomy | 37 (7.1) | 4 (3.8) | 33 (7.9) | |
| Lobectomy | 93 (17.8) | 18 (17) | 75 (17.9) | |
| Bilobectomy | 4 (0.8) | 1 (0.9) | 3 (0.7) | |
| Sleeve resectiona | 2 (0.4) | 1 (0.9) | 1 (0.2) | |
| Extent of HM | ||||
| Chemotherapy | 6 (5.7) | |||
| RFA or TACE | 23 (21.7) | |||
| Wedge resection or tumorectomy | 11 (10.4) | |||
| Segmentectomy | 26 (24.5) | |||
| Lobectomy | 32 (30.2) | |||
| Extended hemihepatectomy | 8 (7.5) | |||
| Thoracoscopic surgery | 298 (56.9) | 61 (57.6) | 237 (56.7) | 0.875 |
| Mediastinal LND | 140 (26.7) | 28 (26.4) | 112 (26.8) | 0.937 |
PM pulmonary metastasectomy, HM hepatic metastasectomy, RFA radiofrequency ablation, TACE transarterial chemoembolization, LND lymph node dissection
aSleeve resection included one sleeve lobectomy and one sleeve bilobectomy