AIM:To evaluate the proportion of successful complete cure en-bloc resections of large colorectal polyps achieved by endoscopic mucosal resection (EMR). METHODS:Studies using the EMR technique to resect large colorectal polyps were selected.Successful complete cure en-bloc resection was defined as one piece margin-free polyp resection.Articles were searched for in Medline, Pubmed, and the Cochrane Control Trial Registry, among other sources. RESULTS:An initial search identified 2620 reference articles, from which 429 relevant articles were selected and reviewed.Data was extracted from 25 studies (n = 5221) which met the inclusion criteria.All the studies used snares to perform EMR.Pooled proportion of en-bloc resections using a random effect model was 62.85% (95% CI: 51.50-73.52).The pooled proportion for complete cure en-bloc resections using a random effect model was 58.66% (95% CI: 47.14-69.71).With higher patient load (> 200 patients), this complete cure en-bloc resection rate improves from 44.19% (95% CI: 24.31-65.09)to 69.17% (95% CI: 51.11-84.61). CONCLUSION:EMR is an effective technique for the resection of large colorectal polyps and offers an alternative to surgery.