Ther Adv Med Oncol: Real‑world pyrotinib beyond progression vs rechallenge in HER2+ mBC (incl. brain mets): PFS2 ~7.2 vs 6.3 mo (NS); OS 31.6 vs 21.0 mo (trend). CNS subgroup also benefited. Read: 【🔗https://buff.ly/xsK4lFw 】 #BreastCancer #HER2 #BrainMets #Oncology