Table 2.

Surgical characteristics of first pulmonary metastasectomy (PM) and repeated pulmonary metastasectomy (RPM)

	First PM (n = 264)	RPM (n = 116)	P-value
Surgical characteristics
VATS	193 (73.1%)	57 (49.1%)	< 0.0001
Thoracotomy	71 (26.9%)	59 (50.9%)	< 0.0001
Wedge resection	200 (75.8%)	89 (76.7%)	0.84
Segmentectomy	20 (7.6%)	13 (11.2%)	0.25
Lobectomy	42 (15.9%)	12 (10.3%)	0.16
Pneumonectomy	2 (0.8%)	2 (1.7%)	0.41
Mediastinal lymph nodes dissection	57 (21.6%)	14 (12.1%)	0.03
Post-operative outcomes
Overall 30-day mortality	0	0	N/A
Cardio-pulmonary complications (30-day)	34 (12.9%)	14 (12.1%)	0.83
Duration of drainage (days) (median)	1 [IQR 1–3]	2 [IQR 1–4]	0.01
Duration of hospital stay (days) (median)	4 [IQR 3–8]	5 [IQR 3–8]	0.21
Readmission (30-day)	5 (1.9%)	0	N/A
Re-operation (30-day)	4 (1.5%)	0	N/A

PM pulmonary metastasectomy; RPM repeated pulmonary metastasectomy; VATS Video-Assisted Thoracic Surgery