Systematic review and meta‐analysis of endoscopic submucosal dissection vs endoscopic mucosal resection for colorectal lesions

Background and aims This systematic review and meta‐analysis compares the safety and effectiveness of endoscopic submucosal dissection (ESD) and endoscopic mucosal resection (EMR) in the treatment of flat and sessile colorectal lesions >20 mm preoperatively assessed as noninvasive. Methods We reviewed the literature published between January 2000 and March 2014. Pooled estimates of the proportion of patients with en bloc, R0 resection,...