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Effects of Platelet to Lymphocyte Ratio (PLR) on OS and PFS. Kaplan-Meyer plots of OS and PFS comparing patients with PLR > 200 (A, B) before, (C, D) during, (E, F) or after radiation treatment. Statistical analysis was performed using Cox Proportional Hazards tests. OS, Overall Survival; PFS, Progression Free Survival; PLR, Platelet to Lymphocyte Ratio; RT, Radiation therapy. ns, not significant.
