AUTHOR=Lv Huifang , Zhang Junling , Sun Keran , Nie Caiyun , Chen Beibei , Wang Jianzheng , Xu Weifeng , Wang Saiqi , Liu Yingjun , Chen Xiaobing TITLE=Corrigendum: Expression of Human Epidermal Growth Factor Receptor-2 Status and Programmed Cell Death Protein-1 Ligand Is Associated With Prognosis in Gastric Cancer JOURNAL=Frontiers in Oncology VOLUME=11 YEAR=2021 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2021.672599 DOI=10.3389/fonc.2021.672599 ISSN=2234-943X