STMN1 and intrahepatic cholangiocarcinoma: Stathmin expression was significantly higher in the extrahepatic cholangiocarcinoma cells than that in the peritumoral tissue [Figure 3D (a) and 3D (c)], while intrahepatic cholangiocarcinoma Stathmin expression was significantly higher than that in the peritumoral tissue [Figure 3D (b) and 3D (d)].