Table 3.

Metachronous cancer rate after endoscopic resection

Ref.	Rate		Follow up period (yr)
Arima et al[23], 1999	7.90%	6/76	71
Nasu et al[10], 2005	14%	20/143	4.8 (median)
Nakajima et al[9], 2006	8.40%	53/633	4.4 (mean)
Kim et al[48], 2007	2.70%	13/479	3.3 (median)
Kobayashi et al[28], 2010	12.80%	30/234	5 (median)
Lee et al[49], 2011	3.30%	15/458	2.2 (median)
Kato et al[19], 2013	5.20%	65/1258	2.2 (mean)
Total	6.70%	202/3281

¹All patients were followed up for 7 yr.