1. Allen PJ, Reiner AS, Gonen M et al (2008) Extrahepatic cholangiocarcinoma: a comparison of patients with resected proximal and distal lesions. HPB 10:341–346
2. Anonymous (2003) General rules for surgical and pathological studies on cancers of biliary tract. Kanehara, Tokyo, Japan
3. Benckert C, Jonas S, Cramer T et al (2003) Transforming growth factor beta 1 stimulates vascular endothelial growth factor gene transcription in human cholangiocellular carcinoma cells. Cancer Res 63:1083–1092
4. Bismuth H, Corlette MB (1975) Intrahepatic cholangioenteric anastomosis in carcinoma of the hilus of the liver. Surg Gynecol Obstet 140:170–178
5. Bosman FT, Carneiro F, Hruban RH (Hrsg) (2010) WHO classification of tumours of the digestive system. World Health Organization