Surgical outcomes of hepatocellular carcinoma with extrahepatic bile duct tumor thrombus: a multicenter study oleh Li-Ming Huang, Zhen-Xin Zeng, Jun-Yi Wu, Jun-Yi Wu, Yi-Nan Li, Jin-Xiu Wang, Yang-Kai Fu, Jia-Yi Wu, Jia-Yi Wu, Shao-Ming Wei, Shao-Ming Wei, Jia-Hui Lv, Wei-Zhao Chen, Rong-Fa Huang, Shu-Qun Cheng, Mao-Lin Yan, Mao-Lin Yan