Tumor-Associated Unilateral Portal Vein Occlusion Is Associated with Impaired Oncological Outcome in Perihilar Cholangiocarcinoma. (2022) - Bednarsch, J.; Czigany, Z.; Heij, L.R.; Luedde, T.; Wiltberger, G.; den Dulk, M.; Bruners, P.; Lang, S.A.; Ulmer, T.F.; Neumann, U.P.