Figure 1From: Circulating tumor cells in HER2-positive metastatic breast cancer patients: a valuable prognostic and predictive biomarker Kaplan-Meier PFS plots of HER2-positive MBC patients with a cut-off of ≥ 5 (A) and ≥1 (B) CTCs. PFS was calculated from the time of the baseline blood draw. Coordinates of the dashed lines indicate median survival time.Back to article page