Figure 2

Kaplan–Meier curves showing estimated PFS (a) and OS (b) for patients with baseline CTC negativity (CTC ≤ 19) and CTC positivity (CTC > 19).
Kaplan–Meier curves showing estimated PFS (a) and OS (b) for patients with baseline CTC negativity (CTC ≤ 19) and CTC positivity (CTC > 19).