3Shoji K,Hiroake K,Kazuhiro H,et al.Hepatolithiasis associated with cholangiocarcinoma.World J Surg,1995,19:637-641.
4Hann LE,Greatrex KV,Bach AM,et al.Cholangiocarcinoma at the hepatic hilus:sonographic findings.Am J Roentgenol,1997,168:985-989.
5Toyosaka A,Okamoto E,Mitsunobu M,et al.Pathologic and radiographic studies of intrahepatic metastasis in hepatocellular carcinoma: the role of efferent vessels.HPB Surg,1996,10:97-103.
