Table 1. Characteristics of selected patients (n=20).

Characteristics	Value
Age [years, mean (range)]	61 [22–80]
Gender
Male	15 (75%)
Female	5 (25%)
Underlying disease
Colorectal metastasis	8 (40%)
Hepatocellular carcinoma	4 (20%)
Cholangiocellular carcinoma	2 (10%)
Others (malignant)	4 (20%)
Benign disease tumor	2 (10%)
Operation type
Laparoscopic	4 (20%)
Open	16 (80%)
Vessel reconstruction
Yes	5 (25%)
No	15 (75%)
Type of resection
Minor resection	6 (30%)
Non-anatomical resection (simple)	3 (15%)
Left lateral sectorectomy	2 (10%)
Left lateral sectorectomy and segmentectomy	1 (5%)
Major resection	14 (70%)
Non-anatomical resection (complex)	2 (10%)
Left hemihepatectomy	2 (10%)
Right hemihepatectomy	3 (15%)
Extended left hemihepatectomy	3 (15%)
Trisectorectomy	1 (5%)
Mesohepatectomy	2 (10%)
Associating liver partition and portal Vein ligation for staged hepatectomy (ALPPS)	1 (5%)