Fig. 4From: Prognostic impact of circulating tumor cell apoptosis and clusters in serial blood samples from patients with metastatic breast cancer in a prospective observational cohortKaplan-Meier survival plots and log-rank test by presence of CTC clusters. Results from Cox-analyses are included in the respective graph PFS and OS for patients with CTC clusters present vs absent at BL, 1–3 and 6 monthsBack to article page