Introduction: With the development and widely use of HER2 targeted therapies. HER2 expressing metastatic breast cancer have no longer dismal prognosis as once expected. The combination of HER2 targeted therapies with chemotherapatic agents prolongs overall survival. Pertuzumab is a new monoclonal antibody molecule that binds to the extracellular portion of HER2 and works by inhibiting... https://ashleyshomestores.shop/product-category/lantern/