article_metadata: Zhichao Gao Junnan Xu Yan Wang Jie Wu Tao Sun
article_metadata: 10.3389/fonc.2021.715554
article_metadata: Front Oncol
article_metadata: 2021 Oct 14;11:715554.
article_metadata: erbb2 mutant her2 positive l775s breast cancer pyrotinib
article_metadata: CC BY
article_metadata: https://pubmed.ncbi.nlm.nih.gov/34722261/
article_metadata: Case Reports
article_metadata: PMC8553255
article_metadata: 34722261
article_metadata: Case Report: Effective Treatment With Pyrotinib and Capecitabine in a Heavily Pretreated Locally Advanced Breast Cancer Harboring Both HER2 Overexpression and Mutant
article_metadata: 2021