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Kaplan‐Meier curves of (a) progression‐free survival and (b) overall survival for all the patients treated with anti‐PD‐1 antibody. (
) sPD‐L1 <90 pg/mL, and (
) sPD‐L1 ≥90 pg/mL sPD‐L1, soluble PD‐L1; PFS, progression‐free survival; OS, overall survival; CI, confidence interval.
