Table I. Patients’ characteristics and surgical procedures.

Patients (n=50)	No.
Males/females	24/26
Median age (range)	57.1 (25–77)
Indications
Colorectal metastases	19
Hepatocellular carcinoma	14
associated with cirrhosis	10
associated with chronic hepatitis	3
Hepatic angioma	4
Echinococcal cysts	2
Metastatic gastric adenocarcinoma	2
Biliary cysts	2
Metastatic spinocellular tumor	1
Metastatic pancreatic adenocarcinoma	1
Metastatic melanoma	1
Metastatic ovarian carcinoma	1
Galbladder cancer	1
Adenoma	1
Hepatic aspergillosis	1
Surgical procedures	No.
Right trisectionectomy	1
Left trisectionectomy	1
Right hepatectomy	5
Left hepatectomy	1
Trisegmentectomy	2
Bisegmentectomy 2,3	6
Other bisegmentectomy	12
Segmentectomy	3
Subsegmentectomy	4
Cystopericystectomy	2
Nonanatomical resection	13