PRF1 and neoplasm: Finally, 8 genes related to anti-tumor immunity were obtained, which were APOL3, CCL5, CD8A, CD8B, CXCL9, GZMA, GZMK and PRF1.We found that the m6A regulatory factors YTHDC1, YTHDC2, and WTAP were positively correlated with m6A, while IGF2BP3 was negatively correlated.