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Evaluation of CD3, PD-L1 protein and their associations in nasopharyngeal carcinoma patients. Tumor and immune cell PD-L1 protein (A) and intratumoral and peritumoral CD3+ lymphocytes (B). Correlation between intratumoral (C) or peritumoral CD3+ lymphocytes and TCs-PD-L1 (D), and correlation between intratumoral (E) or peritumoral CD3+ lymphocytes (F) and ICs- PD-L1 expression.
