Table 1.

Patient characteristics.

Case no.	1	2	3	4
Sex	Male	Male	Female	Male
Age, yr	61	82	72	49
Comorbidity	FAP	Duodenal adenoma	Crohn's disease	Duodenal SMT
Diagnosis	Gastric cancer	Gastric cancer	Gastric cancer	Gastric carcinoid
Tumor location/macroscopic findings	U, Less, 5 mm, IIc	ML, Less, 100 mm, IIa	U, Less, IIa, 10 mm	UML, multiple, 2 mm
	M, Less, 15 mm, IIc	L, Gre, 15 mm, IIc	M, Less, IIa, 15 mm
Clinical TNM classification/stage	cT1aN0M0, cStage IA	cT1bN0M0, cStage IA	cT1aN0M0, cStage IA	cT1aN0M0, cStage IA
	cT1bN0M0, cStage IA	cT1aN0M0, cStage IA	cT1aN0M0, cStage IA
Pathology	M, Ant, IIc, tub1, pT1a	M, Less, Type 4, por2, pT2	U, Less, IIa, tub1, pT1a	UM, triple
	U, Less, IIb, tub1, pT1a	L, Ant, Iic, tub2, pT1a	U, Less, IIa, tub1, pT1a	Neuroendocrine tumor G1, pT1a
	U, Less, IIb, tub1, pT1a	pN1	pN0	pN0
	L, LessAnt, status post ESD, tub1
	pN0
Operative time, min	468	500	400	489
Blood loss, ml	220	5	125	200
Postoperative hospital stay, day	16	13	28	11
Follow-up time, month	31	48	45	24
Postoperative endoscopic examination timing, month	5, 17, 29	3, 27	3, 36	7
Recurrence	No	No	No	No
Reflux esophagitis	No	No	No	No
New manifestations of duodenal disease	No	No	No	No

FAP, familial adenomatous polyposis; SMT, submucosal tumor.