Pure laparoscopic hepatectomy as repeat surgery and repeat hepatectomy

Table 1 Upper abdominal surgical histories

Surgical history		Procedure type	Adhesion
Hepatectomy (n = 12)	S4a56a resection, lymph node dissection	Laparoscopic	Severe
	Central bisectorectomy	Open	Severe
	S3 segmentectomy	Laparoscopic	Mild
	(3rd resection) S3 segmentectomy, Pt S5-6	Laparoscopic	Severe
	Pt S5 (severe cholecystitis)	Laparoscopic	Severe
	Extended posterior sectorectomy	Open	Severe
	(3rd resection) Lateral sectorectomy, S4b-8a resection	Open	Severe
	Pt S4 and S3	Open	Severe
	Anterior sectorectomy (distal gastrectomy)	Open	Severe
	Pt S6	Open	Severe
	Pt S6	Open	Severe
	S5 segmentectomy	Open	Severe
Pancreatectomy (n = 3)	Pancreatoduodenectomy	Open	Severe
	Distal pancreatectomy	Open	Severe
	Distal pancreatectomy	Open	Severe
Colectomy (involving transverse colon) (n = 3)		Open	Severe
		Laparoscopic	Mild
		Open	Severe
Common bile duct excision (n = 1)		Open	Severe
Splenectomy (n = 1)		Laparoscopic	Mild
Total gastrectomy (n = 1)		Laparoscopic	Mild
Extended hysterectomy1 (n = 1)		Open	Severe

¹Extended hysterectomy with extensive lymph node dissection up to the upper abdomen. The degree of adhesions was classified according to Beck et al[18] (mild = grade 1-2, severe = grade 3-4). Pt: Partial resection; S: Segment.