deaths (OS)progression or deaths (PFS)RFS/DFS

la/mBC - HER2 positive - 1st Line (L1) breast cancer - HER2-positive la/mBC - HER2 positive la/mBC - HER2 positive - 1st Line (L1)

versus trastuzumab plus docetaxel
pertuzumab plus trastuzumab plus docetaxel vs. trastuzumab plus docetaxel 2 1.0better0.35.0100 %1.0better0.35.0100 %-

la/mBC - HER2 positive - 2nd Line (L2) breast cancer - HER2-positive la/mBC - HER2 positive la/mBC - HER2 positive - 2nd Line (L2)