Presence of high grade glandular intraepithelial neoplasia at surgical margin in excised specimen of extrahepatic bile duct
presence of high grade glandular intraepithelial neoplasia at surgical margin in excised specimen of extrahepatic bile duct
Presence of high grade glandular intraepithelial neoplasia at surgical margin in excised specimen of extrahepatic bile duct
presence of high grade glandular intraepithelial neoplasia at surgical margin in excised specimen of extrahepatic bile duct