Adjuvant apatinib treatment after resection of hepatocellular carcinoma with portal vein tumor thrombosis: a phase II trial

Hui-Chuan Sun, Xiao-Dong Zhu, Jian Zhou, Qiang Gao, Ying-Hong Shi, Zhen-Bing Ding, Cheng Huang, Shuang-Jian Qiu, Ning Ren, Guo-Ming Shi, Jian Sun, Qing-Hai Ye, Xiao-Wu Huang, Xin-Rong Yang, Jia Fan