MYD88 and diffuse large B-cell lymphoma: Alternative classifications were published by Chapuy et al., including clusters 1 to 5 (BN2-DLBCL, A53-DLBCL, EZB-DLBCL, ST2-DLBCL, and MCD-DLBCL, respectively); and by Lacy et al., including MYD88, BCL2, SOCS1/SGK1, TET2/SGK1, and NOTCH2 clusters [55,58].