BCL6 and diffuse large B-cell lymphoma: Among the three cases with MYC/BCL6 fusion, two (DLBCL-134, DLBCL-173) involved direct juxtaposition between the MYC and BCL6 loci, with the breakpoints occurring downstream or at the 3ʹUTR of the MYC gene, but upstream or within the intron 1 of the BCL6 gene (Fig. 5).