AUTHOR=Fang Qigen , Wu Yao , Du Wei , Zhang Xu , Chen Defeng 

TITLE=Corrigendum: Incidence and Prognostic Significance of PD-L1 Expression in High-Grade Salivary Gland Carcinoma

JOURNAL=Frontiers in Oncology

VOLUME=11

YEAR=2021

URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2021.836903

DOI=10.3389/fonc.2021.836903

ISSN=2234-943X