%0 Journal Article %T Concomitant adenosquamous carcinoma and cystadenocarcinoma of the extrahepatic bile duct: A case report %A Bing-Jie Lu %A Ming-Yu Sun %A Ning-Ning Liu %A Nisma L Azami %A Nong Yuan %A Xue-Dong Cao %J Archive of "World Journal of Clinical Cases". %D 2019 %R 10.12998/wjcc.v7.i2.215 %K Extrahepatic bile duct %K Adenosquamous carcinoma %K Klatskin tumor %K Common bile duct %K Cystadenocarcinoma %K Case report %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6354090/