NRAS and diffuse large B-cell lymphoma: Multiple RAS/MAPK genes (NRAS, RAF1, SOS1, SHC1) exhibited considerable upregulation in PBL compared to ABC-DLBCL, alongside components of the Wnt/β-catenin pathway (FZD3, FZD7, WNT5A/B, WNT10B, c-MYC) [32].