Laparoscopic endoscopic cooperative surgery as a minimally invasive treatment for gastric submucosal tumor

Table 1 Characteristics of patients who underwent laparoscopic surgery for a gastric submucosal tumor

Patient	Age	Gender	Tumor location	Main location of tumor	Operation method	Operating time (min)	Estimated blood loss (mL)	Tumor size (cm)	Histology
1	78	M	M, Less	Extragastric	Conventional laparoscopic approach	145	20	4.0 × 3.5	GIST (low risk)
2	60	F	U, Gre	Intragastric	Conventional laparoscopic approach	175	20	1.7 × 1.7	GIST (very low risk)
3	66	F	U, Post	Intragastric	Conventional laparoscopic approach	85	30	5.5 × 4.5	GIST (high risk)
4	42	M	L, Gre	Mixed	Conventional laparoscopic approach	155	5	3.0 × 2.7	Schwannoma
5	86	F	M, Less	Extragastric	Conventional laparoscopic approach	190	40	3.5 × 2.5	GIST (low risk)
6	35	F	U, Gre	Extragastric	Conventional laparoscopic approach	115	5	3.8 × 3.0	GIST (intermediate risk)
7	84	F	U, Gre	Intragastric	Conventional laparoscopic approach	235	130	4.0 × 3.3	GIST (intermediate risk)
8	78	F	M, Less	Extragastric	Conventional laparoscopic approach	145	5	4.5 × 4.0	GIST (low risk)
9	61	F	U, Post	Intragastric	LECS	130	5	4.4 × 2.2	GIST (low risk)
10	64	F	U, Post	Intragastric	LECS	250	5	3.1 × 3.0	GIST (low risk)
11	43	F	L, Less	Intragastric	LECS	155	5	2.0 × 1.7	GIST (very low risk)
12	72	M	M, Less	Extragastric	Conventional laparoscopic approach	165	70	5.0 × 3.5	GIST (low risk)
13	77	M	U, Gre	Mixed	LECS	230	5	3.0 × 1.5	GIST (low risk)
14	63	F	L, Gre	Intragastric	LECS	202	0	3.0 × 2.0	Schwannoma
15	73	M	U, Ant	Intragastric	Conventional laparoscopic approach	226	0	3.0 × 2.0	GIST (low risk)
16	36	F	M, Less	Mixed	LECS	214	0	4.0 × 2.5	GIST (low risk)
17	82	F	L, Gre	Mixed	LECS	212	10	2.8 × 2.0 × 1.8	GIST (low risk)
18	81	F	U, Post	Extragastric	Conventional laparoscopic approach	130	0	4.5 × 3.0	GIST (low risk)
19	81	F	M, Less	Intragastric	LECS	221	0	3.2 × 3.0	GIST (low risk)

U: Upper third; M: Middle third; L: Lower third; Less: Lesser curvature; Gre: Greater curvature; Ant: Anterior wall; Post: Posterior wall; LECS: Laparoscopic endoscopic cooperative surgery; GIST: Gastrointestinal stromal tumor.