Cholangiocarcinoma cells secrete soluble factors that activate Jak/STAT signal transduction and promote MDSC expansion. (6th November 2014) - Yang, Jennifer; Keenan, Kaitlin; Mace, Thomas; Ferren, Matthew; Bekaii-Saab, Tanios; Fuchs, James; Schwartz, Eric; Li, Chenglong; Pui-Kai Li, Jiayuh Lin; Lesinski, Gregory