MYC and diffuse large B-cell lymphoma: The current clinical diagnosis of these samples is based on a range of immunophenotypic and molecular (fluorescent in situ hybridization, FISH) data as previously reported [28] and the agreement of this with the gene expression-based classification is shown in Table 4, where DLBCL diagnosed cases with a known chromosomal re-arrangement of the MYC gene are considered separately.