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The matched rate between plasma sPD‐L1 level and tissue PD‐L1 expression in patients. A, Low expression of plasma sPD‐L1 and tissue PD‐L1; B, high expression of plasma sPD‐L1 and tissue PD‐L1; C, high expression of plasma sPD‐L1 and low expression of tissue PD‐L1
