AUTHOR=Tan Yifei , Xu Qing , Wu Zhenru , Zhang Wei , Li Bo , Zhang Bohan , Xu Xi , Zhang Bo , Yan Ke , Song Jiulin , Lv Tao , Yang Jian , Jiang Li , Shi Yujun , Yang Jiayin , Yan Lunan TITLE=Overexpression of PD-L1 is an Independent Predictor for Recurrence in HCC Patients Who Receive Sorafenib Treatment After Surgical Resection JOURNAL=Frontiers in Oncology VOLUME=Volume 11 - 2021 YEAR=2022 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2021.783335 DOI=10.3389/fonc.2021.783335 ISSN=2234-943X ABSTRACT=Overexpression of PD-L1 is an independent predictor for recurrence in HCC patients who receive sorafenib treatment after surgical resection