KEYTRUDA ® (pembrolizumab) Plus Trastuzumab and Chemotherapy Significantly Improved Overall Survival (OS) Versus Trastuzumab and Chemotherapy Alone in First-Line Treatment of Patients With HER2-Positi
KEYTRUDA ® (pembrolizumab) Plus Trastuzumab and Chemotherapy Significantly Improved Overall Survival (OS) Versus Trastuzumab and Chemotherapy Alone in First-Line Treatment of Patients With HER2-Positi