We regarded this group of genes as DLBCL-associated necroptosis-related genes, and the genes with risk ratio less than 1 were USP22, TNFRSF21, TNF, PANX1, MAP3K7, KLF9, IDH1, CYLD, BRAF, and ATRX. This evidence concerns the gene TNFRSF21 and diffuse large B-cell lymphoma.