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Background: A total of 750 000 cholecystectomies are performed annually in the USA. No data exist on patients with microscopic high‐grade dysplasia at the cystic duct margin and the associated incidence of cholangiocarcinoma.
Methods: Pathology reports for 1992–2010 were reviewed for patients with high‐grade dysplasia of the cystic duct margin in the absence of invasive gallbladder cancer. Clinical...
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