Figure 1.
Kaplan–Meier curves for overall survival (OS) and progression-free survival (PFS) for studied thresholds of circulating tumour cells (CTC)/7.5 ml of blood: <2 and ≥2 CTCs (A, B); <15 and ≥15 CTCs (C, D) and <50 and ≥50 CTCs (E, F).
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