Interestingly, the expression of PD-L1 and C-FOXP3 was colocalized in consecutive sections of PDAC tissues, and importantly, C-FOXP3 expression levels were correlated with high PD-L1 levels in the tumor cells (R = 0.437, p < 0.001) (Fig. 1b). The gene discussed is FOXP3; the disease is neoplasm.