pCR

es-BC - HER2 positive - (neo)adjuvant (NA) breast cancer - HER2-positive es-BC - HER2 positive - (neo)adjuvant (NA)

versus trastuzumab plus endocrine therapy
trastuzumab emtasine plus endocrine therapy vs. trastuzumab plus endocrine therapy 1 1.0better0.35.0100 %