The optimal time interval between surgery and initiation of adjuvant chemotherapy for early-stage breast cancer is not well established. Although most physicians aim to initiate adjuvant chemotherapy within a few weeks of surgery, clinical factors may cause delay. The influence of delay on relapse...
Approximately 20% of all breast cancers are human epidermal growth factor receptor 2 (HER2)-positive. Prior to the era of HER2-targeted therapy, HER2-positive breast cancer was characterized by a poor prognosis.1,2 The development of the first HER2-targeted therapy, trastuzumab (Herceptin), led to...