Oncological outcomes after piecemeal endoscopic mucosal resection of large non-pedunculated colorectal polyps with covert submucosal invasive cancer.
David J GibsonMayenaaz SidhuSimon ZanatiDavid J TateDileep MangiraAlan MossRajvinder SinghLuke F HouriganSpiro RaftopoulosAlan PhamPhil KostosM Priyanthi KumarasingheAndrew RuszkiewiczDuncan McLeodGregor J E BrownMichael J BourkePublished in: Gut (2022)
The majority of cases of large non-pedunculated colorectal polyps with covert SMIC following pEMR will have no residual malignancy. The risk of residual malignancy can be ascertained from three key variables: PD, LVI and R1 deep margin.