Endoscopic submucosal dissection (ESD) is an advanced endoscopic technique initially created in Japan to overcome the limitations of endoscopic mucosal resection (EMR) and was used primarily for early gastric cancer [1,2]. It has been applied relatively recently to the 10–15 % of colorectal polyps that are not able to be removed at routine colonoscopy by cold forceps or snare polypectomy [2], such as large flat and sessile polyps [3], sometimes called “complex polyps” [2]. EMR and ESD provide an…