Laparoscopic and endoscopic cooperative surgery for gastric tumors: Perspective for actual practice and oncological benefits

Table 1 Clinical outcomes of laparoscopic endoscopic cooperative surgery

Author	Ref.1	Published	Patient	Age2	Gender	BMI2	Procedures	Diagnosis	Size2	Conversion rate to	Positive	Complications	Mortality	Recurrence	Folow-up
		year	number		(male/female)	(kg/m2)			(mm)	gastrectomy or laparotomy	surgical margin	(treatment and case number)		rate	period2
			(case)							(%)	(%)			(%)	(mo)
Hiki et al	[50]	2008	7	53 ± 6	0/7	22.0 ± 1	Classic LECS	SMT	46	0	0	None	0	-	-
Kikuchi et al	[51]	2017	10	62	5/5	-	Closed LECS	SMT	24.1	0	-	Intra-abdominal abscess (n = 1)	0	0	12
Mitsui et al	[56]	2014	6	60	4/2	-	NEWS	SMT	34	0	0	None	0	0	8
Inoue et al	[58]	2012	24	66.2	-	-	Clean-NET	EGC	-	-	-	Gastric deformity	0	0	-
												(Reoperation, n=1)
Okumura et al	[59]	2017	28	67.6	8/20	-	Lift-and-cut method	GIST	33	0	0	None	0	0	26.6
Matsuda et al	[71]	2016	100	59.8	47/53	22.7 ± 3.3	Classic LECS	SMT	30.9	5	0	Leakage (n = 1)	0	0	25.3
												Postoperative stenossis (n = 2)
												Postoperative bleeding (n = 1)
Tsujimoto et al	[72]	2012	20	59.3 ± 11.9	10/10	21.8 ± 2.7	NEWS	SMT	37.9 ± 11	0	0	None	0	0	20.7
Kawahira et al	[73]	2012	16	61	4/12	22.1	Classic LECS	SMT	27.5	0	0	Lymphorrhea (n = 1)	0	0	-
Hoteya et al	[74]	2014	25	60	10/15	-	LECS	SMT in EGJ	32.3	0	0	None	0	0	18

¹See the reference list;

²Data were given as mean ± SD, or the median. BMI: Body mass index; Clean-NET: Clean non-exposure technique; EGC: Early gastric cancer; EGJ: Esophagogastric junction; GIST: Gastrointestinal stromal tumor; LECS: Laparoscopic endoscopic cooperative surgery; NEWS: Non-exposed endoscopic wall-inversion surgery; SMT: Submucosal tumor.