Beclin 1 deficiency correlated with lymph node metastasis, predicts a distinct outcome in intrahepatic and extrahepatic cholangiocarcinoma. oleh Tian-Tian Wang, Qing-Hua Cao, Ming-Yuan Chen, Qing Xia, Xin-Juan Fan, Xiao-Kun Ma, Qu Lin, Chang-Chang Jia, Min Dong, Dan-Yun Ruan, Ze-Xiao Lin, Jing-Yun Wen, Li Wei, Xing Li, Zhan-Hong Chen, Lei Wang, Xiang-Yuan Wu, Xiang-Bo Wan