pCR

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

versus trastuzumab plus endocrine therapy
trastuzumab emtansine vs. trastuzumab plus endocrine therapy 1 2590 [1490; 3689] /10000
48/117 vs. 18/119