CDH2 and intrahepatic cholangiocarcinoma: The quantitative results of N-cadherin, Vimentin, E-cadherin, Fibronectin, Snail + Slug, Twist-1, and CK7 of ICC staining in PGCCs with budding daughter cells and the control cells of LoVo and HCT116 are showed in Supplementary Figures  and .