Fig. 4From: Solid component tumor doubling time is a prognostic factor in non-small cell lung cancer patientsKaplan–Meier RFS curves for patients divided according to TDT and pathological stage. RFS curves using the Kaplan–Meier method with patients divided by pathological stage as indicated. TDT: Tumor Doubling Time, 95% CI: 95% Confidence IntervalBack to article page