Sessile serrated adenoma invading a diverticulum in the right colon: tips and tricks for a safe complete endoscopic resection.

Countertraction using the DCT technique enabled us to identify a good submucosal dissection plane, even in the diverticulum area. 2 Endoscopic submucosal dissection of the lesion. a The double-clip traction technique was used. b Small incisions were made in the normal mucosa to help clip closure of the scar. c Closure of the scar. [Extracted from the article]