Endoscopic submucosal dissection or endoscopic mucosal resection for large colorectal laterally spreading lesions? Scientific and economic data are still lacking. Issue 3 (21st March 2018) - Jacques, Jérémie; Chaussade, Stanislas; Ponchon, Thierry; Coron, Emmanuel; Lepilliez, Vincent; Dahan, Martin; Albouys, Jeremie; Sautereau, Denis; Leblanc, Sarah; Rahmi, Gabriel; Legros, Romain; Pioche, Mathieu