Truncal vagotomy enhances gallstone formation. As esophagectomy involves truncal vagotomy, it was hypothesized that esophagectomy would increase the risk of cholelithiasis. This study was intended to test this hypothesis and to elucidate factors influencing the incidence of cholelithiasis after esophagectomy.
Division of Digestive and General Surgery, Niigata University Graduate School of Medical and Dental Sciences, 1-757 Asahimachi-dori, 951-8510, Niigata, Japan.