Aims. To investigate the feasibility and safety of endoscopic submucosal dissection (ESD) of gastric epithelial neoplasms in the\nremnant stomach (GEN-RS) after various types of partial gastrectomy. Methods. This study included 29 patients (31 lesions)\nwho underwent ESD for GEN-RS between March 2006 and August 2016. Clinicopathologic data were retrieved retrospectively\nto assess the therapeutic ESD outcomes, including en bloc and complete resection rates and procedure-related adverse events.\nResults. The en bloc, complete, and curative resection rates were 90%, 77%, and 71%, respectively. The types of previous\ngastrectomy, tumor size, macroscopic type, and tumor histology were not associated with incomplete resection. Only tumors\ninvolving the suture lines from the prior partial gastrectomy were significantly associated with incomplete resection. The\nprocedure-related bleeding and perforation rates were 6% and 3%, respectively; none of the adverse events required surgical\nintervention. During a median follow-up period of 25 months (range, 6ââ?¬â??58 months), there was no recurrence in any case.\nConclusions. ESD is a safe and feasible treatment for GEN-RS regardless of the previous gastrectomy type. However, the\ncomplete resection rate decreases for lesions involving the suture lines.
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