PRF1 and neoplasm: Eleven genes NT5E, IL6, CASP1, IL1R1, IL1B, NLRP3, P2RX7, LY96, TLR4, IL17RA, and PRF1 were expressed at low levels in the tumor tissues, while 10 genes CALR, HSP90AA1, BAX, PDIA3, EIF2AK3, CXCR3, IFNB1, IFNG, MYD88, and FOXP3 were overexpressed in the tumor tissues.