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Relationship between expression of CD155, cell counts of TILs, and PD-1 expression. (a) Cell count of TILs. (b) PD-1 status among patients with low expression of CD155. (c) PD-1 status among patients with overexpression of CD155. (d) Percentage of PD-1+ TILs. (e) Cell count of PD-1+ TILs.
