Figure 4
From: Evaluation of PD-L1 expression on vortex-isolated circulating tumor cells in metastatic lung cancer
Kaplan-Meier Curves for patients receiving PD-1 inhibition, with collection prior to initiating treatment (n = 17). The curves on the left shows PFS for overall CTC count (< or ≥1.32/mL) while the curves on the right show PFS for PD-L1 + CTCs (total number < or ≥2).
