The most recent WHO classification of tumors of hematopoietic and lymphoid tissues (Alaggio et al. 2022) classifies large B cell lymphomas (LBCL) into diffuse large B cell lymphoma (DLBCL) NOS with distinct morphological and molecular (germinal center B-cell, activated B-cell) subtypes, high-grade B-cell lymphomas (with MYC and BCL2 rearrangements or NOS subtype), and other less frequent subtypes.
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