Pathology Which of the following is premalignant to cholangiocarcinoma – A Biliary' intraepithelial neoplasia B Mucinous cystic neoplasms C Intraductal pappilary biliary' neoplasia D All the above 💡 Explanation Which of the following is premalignant to cholangiocarcinoma - ✓ Correct Answer: D. All the above