Appraisal of gastric stump carcinoma and current state of affairs

Table 1 Summary of endoscopic submucosal dissection for early gastric stump carcinoma, n (%)

Ref.	Number of patients (number of lesion)	En blocresection	Complete resection	Perforation	Bleeding
Takenaka et al[91], 2008	31	30 (97)	23 (74)	4 (13)	0
Hirasaki et al[92], 2008	17	17 (100)	14 (82)	0	3 (18)
Hoteya et al[93], 2010	40	-	38 (95)	1 (2.5)	2 (5)
Lee et al[94], 2010	13	13 (100)	12 (92.3)	0	0
Nonaka et al[78], 2013	139	131 (94)	118 (85)	2 (14)	2 (14)
Tanaka et al[95], 2013	33	33 (100)	31 (94)	3 (9)	1(3)
Nishide et al[87], 2012	58 (62)	59 (95)	53 (85)	11 (18)	5 (8)

Table 2 Overview of minimally invasive and open surgery for gastric stump carcinoma

Ref.	Country	No of patients (Lap/open/robotic)	Operative time (Lap/open)	Blood loss (Lap/open)	Postoperative hospital stay (Lap/open)	Conversion to open	Number of lymph nodes retrieved (Lap/open)
Son et al[100], 2013	Korea	17/17/0	234.4/170 minutes	227.6/184.1 mL	9.3/9.3 days	8	18.8/22.3
Nagai et al[98], 2014	Japan	12/10/0	362.3/270.5 minutes	65.8/746.3 mL	11.3/24.9 days	NA	23.7/15.9
Kwon et al[74], 2014	Korea	10/58/8	266.2/203.3 minutes	182.2/193.1 mL	6/9 days	1	8/7
Kim et al[97], 2014	Korea	17/50/0	197.2/149.3 minutes	NA	11.1/13.8 days	0	12.9/NA
Tsunoda et al[99], 2014	Japan	10/6/0	325/289 minutes	55/893 mL	13/24 days	0	22/7
Otsuka et al[96], 2018	Japan	7/20/0	364/309 minutes	70/1066 mL	13/27 days	0	22/12
Booka et al[75], 2019	Japan	23/8/0	307.5/295.8 minutes	135.5/568.3 mL	10.6/21.3 days	2	8.8/6

Lap: Laparoscopic; ml: Milliliter; NA: Not applicable.