Figure 1From: Topoisomerase II alpha gene amplification is a favorable prognostic factor in patients with HER2-positive metastatic breast cancer treated with trastuzumabREMARK diagram. FFPE tissue availability in the present study for the application of different analytical techniques for the determination of HER2 and TOP2A gene amplification status and HER2 and TopoIIa protein expression is presented in detail.Back to article page