In this study, we performed immunohistochemical analysis of PDPN expression in CAF (CAF‐PDPN), programmed death‐ligand 1 (PD‐L1) expression in the tumor (tumoral PD‐L1), and PD‐L1 expression in the stroma (stromal PD‐L1). This evidence concerns the gene CD274 and neoplasm.