Endoscopic surveillance strategy after endoscopic resection for early gastric cancer

Table 4 Local recurrence rate after endoscopic resection

Ref.	Local recurrence rate
	EMR		ESD
	Curative	Not curative	Curative	Not curative
Oka et al[50], 2006	2.90%	4.40%	0%	0%
Kim et al[48], 20071	6.0% (24/399)	15% (10/68)
Park et al[11], 2010	18% (9/50, not en bloc; 18)		3.7% (7/189, not en bloc: 25)
Lee et al[49], 2011	NA	NA	0.7% (2/276, not en bloc: 3)2
	NA	NA	0% (0/182, not en bloc: 22)3
Kato et al[19], 2013	NA	NA	0.4% (5/1258)
Tanabe et al[51], 20134	4.2%(15/359)5		0.2% (1/421)

“Not curative” includes piecemeal resection or marginal positive resection.

¹Including 34 lesions treated by ESD (6.6%);

²Guideline group;

³Expanded guideline group;

⁴For lesions meeting the JGCA criteria, the local recurrence rates were 2.9% in the EAM group and 0% in the ESD group;

⁵Treated by endoscopic aspiration mucosectomy (EAM). EMR: Endoscopic mucosal resection; ESD: Endoscopic submucosal dissection; NA: Not available.