The endoscopic stapler has achieved widespread use in the management of Zenker's diverticulum owing to its ease of use and safety. However, complications associated with its use can and do occur. This study details the treatment course of 2 patients who underwent an endoscopic stapler approach to their Zenker's diverticulum complicated by the stapler's not sealing the mucosal edges. Although the patients' hospital stays were extended as a result, they suffered no long-term morbidity as a result of the complication.
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