Table 4: Previous reports of colorectal ESD.

Author, year En bloc resectionR0 resectionPerforation

Saito et al., 2007 [13]20084%83%5%
Fujishiro et al., 2007 [14]20091.5%71%6%
Saito et al., 2010 [3]111188%n.a.5.2%
Nishiyama et al., 2010 [15]29689.2%79.1%8.1%
Tanaka et al., 2010 [16]830383.8%n.a.4.8%
Our study9290.2%89.1%12%

ESD: endoscopic submucosal dissection; : number; n.a.: not available.