Laparoscopic anatomical left hemihepatectomy guided by middle hepatic vein in the treatment of left hepatolithiasis with a history of upper abdominal surgery

Yuting Fan, Jian Huang, Liangzhi Xu, Qi Xu, Xinguo Tang, Kangpeng Zheng, Wei Hu, Jinghang Liu, Jiyang Wang, Tiande Liu, Bo Liang, Hu Xiong, Wen Li, Xiaowei Fu, Lu Fang