Table 2.

Surgical procedures in patients with colorectal liver metastasis who underwent minor and major minimally invasive liver surgery (MILS)

	LLS n (%)	RLS n (%)	Total n (%)
Major resections
Left hemi-hepatectomy	0 (0.0)	3 (25.0)	3 (12.0)
Right hemi-hepatectomy	1 (7.7)	1 (8.3)	2 (8.0)
Resection of 3 segments	1 (7.7)	1 (8.3)	2 (8.0)
Resection > 3 segments	1 (7.7)	0 (0.0)	1 (4.0)
Minor resections
Left lateral LR	4 (30.8)	4 (33.3)	8 (32.0)
Anatomical resection 1 segment	4 (30.8)	2 (16.7)	6 (24.0)
Bisegmentectomy	1 (7.7)	1 (8.3)	2 (8.0)
Anatomical 2 segment resection	1 (7.7)	0 (0.0)	1 (4.0)
Total	13 (100.0)	12 (100.0)	25 (100.0)

LLS laparoscopic liver surgery, LR liver resection, MILS minimally invasive liver surgery, RLS robotic liver surgery