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Kaplan–Meier survival curve of combination prognostic role of SII and TIL. (a) OS in different combinations was evaluated by TIL concentration and SII score. (b) PFS in different combinations was evaluated by TIL concentration and SII score. OS, overall survival; PFS, progression-free survival; TIL, tumor-infiltrating lymphocytes; SII, systemic immune-inflammation index.
