Table 1.

Lesion characteristics and resection results

Pt no	Gender	Age	Location	Layer	Indication	Lesion size, mm	Success	R0	FTR	Specimen size, mm	Pathology	SAE	Hospital admission, days
			Duodenum
1	Male	51.7	Bulb	4	No histology	13.0 × 3.3	Yes	Yes	Yes	23 × 24 × 8	Brunneroma	No	2
2	Male	44.1	Descending part	3	NET	4.0 × 4.0	Yes	Yes	Yes	13 × 10 × 5	Gastrinoma	Microperforation	4
3	Male	60.7	Descending part	4	Pathology Inconclusive	10.0 × 10.0	Yes	Yes	Yes	15 × 15 × 6	Ectopic pancreas	Hemorrhage	10
4	Male	44.4	Descending part	3	NET	9.0 × 9.0	Yes	Yes	Yes	15 × 12 × 9	Gastrinoma	Microperforation	7
4	Male	40.7	Descending part	3	NET	10.0 × 10.0	Yes	Yes	Yes	24 × 17 × 3	Gastrinoma	Perforation	14
5	Female	61.9	Descending part	3	NET	5.0 × 5.0	Yes	Lost	Lost	Lost	Gastrinoma	Microperforation	7

			Stomach
6	Female	54.1	Lesser curve	4	GIST	13.0 × 8.0	Yes	Yes	No	18 × 15 × 9	GIST	No	1
7	Male	69.7	Greater curve	4	GIST	18.0 × 16.0	No	NA	NA	NA	NA	No	NA
8	Male	69.4	Lesser curve	2	Pathology Inconclusive	13.0 × 6.0	Yes	Yes	Yes	Unknown	Duplication cyst with ectopic pancreas	No	1
9	Female	46.6	Fundus	4	Pathology Inconclusive	20.0 × 15.0	No	NA	NA	NA	NA	No	NA
10	Male	38.6	Antrum	4	Pathology Inconclusive	10.0 × 10.0	Yes	Yes	No	15 × 9 × 3	Ectopic pancreas	No	1
11	Female	62.2	Antrum	2	Pathology Inconclusive	12.0 × 8.0	Yes	Yes	No	13 × 10 × 7	Reactive gastric epithelium	No	1
12	Male	34.2	Antrum	2	Pathology Inconclusive	9.7 × 3.5	Yes	Yes	No	12 × 12 × 4	Inflammatory fibroid polyp	Pain	2

FTR full-thickness resection, SAE severe adverse event, GIST gastrointestinal stromal tumor, NET neuroendocrine tumor, layer 2 muscularis mucosae, layer 3 submucosa, layer 4 muscularis propria