AUTHOR=Chen Qitong , Ouyang Dengjie , Anwar Munawar , Xie Ning , Wang Shouman , Fan Peizhi , Qian Liyuan , Chen Gannong , Zhou Enxiang , Guo Lei , Gu Xiaowen , Ding Boni , Yang Xiaohong , Liu Liping , Deng Chao , Xiao Zhi , Li Jing , Wang Yunqi , Zeng Shan , Hu Jinhui , Zhou Wei , Qiu Bo , Wang Zhongming , Weng Jie , Liu Mingwen , Li Yi , Tang Tiegang , Wang Jianguo , Zhang Hui , Dai Bin , Tang Wuping , Wu Tao , Xiao Maoliang , Li Xiantao , Liu Hailong , Li Lai , Yi Wenjun , Ouyang Quchang 

TITLE=Corrigendum: Effectiveness and Safety of Pyrotinib, and Association of Biomarker With Progression-Free Survival in Patients With HER2-Positive Metastatic Breast Cancer: A Real-World, Multicentre Analysis

JOURNAL=Frontiers in Oncology

VOLUME=11

YEAR=2021

URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2021.661128

DOI=10.3389/fonc.2021.661128

ISSN=2234-943X