Sergey Kantsevoy, MD, performs a DiLumen-assisted colon endoscopic submucosal dissection. The patient is 59 year old man with a history of HTN and arthritis who was noted to have 3.5 cm granular paris lla lesion in ascending colon. This video is part of the 11th Annual Long Island Live Endoscopy Course, Frontiers of Endoscopic Surgery.
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