MEF2A and diffuse large B-cell lymphoma: Second, the mutation frequencies of MUC16, NEB, ID3, CIITA, HLB-A, NCOR2, MAP3K4, CIC, KIAA1109, PDGFRA, TP63, NBPF10, MEF2A, and BCL2L11 in this study were also increased compared with those in common DLBCL in cBioPortal and COSMIC.