Figure 4From: Topoisomerase II alpha gene amplification is a favorable prognostic factor in patients with HER2-positive metastatic breast cancer treated with trastuzumabKaplan-Meier curves according TOP2A gene status and anthracycline treatment. Time to progression (TTP, A-B) and survival (C-D) according to TOP2A gene status in the HER2-positive patients stratified by anthracycline treatment.Back to article page