An esophageal diverticulum is seen in a variety of gastroesophageal conditions, with most having an underlying motility disorder. The diverticulum is diagnosed by combining the patient's history, physical examination, computed tomographic chest scan, and barium radiography. We present an unusual case of a 43-year-old patient with a history of leiomyoma resection of the esophagus and an ensuing placement of a laparoscopic band for weight loss. One year after banding, persistent dysphagia led to the diagnosis of a large esophageal diverticulum. We believe that this esophageal diverticulum is the largest reported secondary to a laparoscopic band.

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