Endoscopic mucosal resection of laterally spreading lesions around or involving the appendiceal orifice: technique, risk factors for failure, and outcomes of a tertiary referral cohort (with video)

Endoscopic mucosal resection (EMR) of peri-appendiceal sessile laterally spreading lesions (PA-LSLs) is technically demanding due to poor endoscopic access to the appendiceal lumen and the thin colonic wall at the base of the cecum. We aimed to assess the feasibility and safety of EMR for PA-LSLs.

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