Impact of surgical margin width on long-term outcomes for intrahepatic cholangiocarcinoma: a multicenter study oleh Hongzhi Liu, Lianku Lin, Ziguo Lin, Yifan Chen, Qizhen Huang, Lei Ding, Jianying Lou, Shuguo Zheng, Xinyu Bi, Jianming Wang, Wei Guo, Fuyu Li, Jian Wang, Yamin Zheng, Jingdong Li, Shi Cheng, Weiping Zhou, Zhangjun Cheng, Yongyi Zeng