BCL6 and diffuse large B-cell lymphoma: High BCL6 expression showed correlation with BCL6 breaks in DLBCL, NOS (Spearman’s rho = 0.223, P = 0.008) and the non-GCB subgroup (Spearman’s rho = 0.277, P = 0.011) but showed no significant correlation in the GCB subgroup.