deaths (OS)

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

versus lapatinib plus capecitabine
trastuzumab emtansine vs. lapatinib plus capecitabine 1 -659 [-1245; -73] /10000
149/495 vs. 182/496