Repeat endoscopic submucosal dissection for recurrent gastric cancers after endoscopic submucosal dissection

Table 1 Characteristics of 5 initial endoscopic submucosal dissection cases

Patient No.	Sex	Age, yr	Tumor location	Macroscopic type	Tumor size, mm	Specimen size, mm	Operation time, min	Histologicaltype	Resection margin category
1	Male	78	LB LC	I + IIa	23	40	69	Tub2	R0
2	Male	67	LB PW	IIc	8	37	70	Tub1	R0
3	Male	64	Ant PW	IIa + IIc	14	36	47	Tub1	R0
4	Male	76	Ang PW	IIc	65	70	442	Tub2	R1
5	Male	51	Ang LC	IIc	40	45	44	Tub2	R0
Median		67			23	40	69

Ang: Angulus; Ant: Antrum; LB: Lower body; LC: Lesser curvature; PW: Posterior wall; R0: Negative resection margin; R1: Microscopic tumor infiltration; Tub1: Well differentiated adenocarcinoma; Tub2: Moderately differentiated adenocarcinoma; I: Elevated lesion; IIa: Slightly elevated lesion; IIc: Slightly depressed lesion.