AUTHOR=Xuan Zuodong , Chen Chen , Tang Wenbin , Ye Shaopei , Zheng Jianzhong , Zhao Yue , Shi Zhiyuan , Zhang Lei , Sun Huimin , Shao Chen TITLE=Corrigendum: TKI-Resistant Renal Cancer Secretes Low-Level Exosomal miR-549a to Induce Vascular Permeability and Angiogenesis to Promote Tumor Metastasis JOURNAL=Frontiers in Cell and Developmental Biology VOLUME=9 YEAR=2021 URL=https://www.frontiersin.org/journals/cell-and-developmental-biology/articles/10.3389/fcell.2021.726535 DOI=10.3389/fcell.2021.726535 ISSN=2296-634X