Fig. 2From: Immune Activation Effects at Different Irradiated Sites and Optimal Timing of Radioimmunotherapy in Patients with Extensive-Stage Small Cell Lung Cancer: a Real-World AnalysisThree Out of Seven Positively Related Indicators were Selected. The Mean Ranks of Delta-NLR/PLR/SII were All the Lowest in the Brain Radiation Group During ImmunotherapyBack to article page