CD5 and diffuse large B-cell lymphoma: Downregulated “ECM Receptor Interaction and upregulated “Nitrogen Metabolism” had nominal P-values < 1% (.006 and .0039 respectively) although no gene sets were enriched by an FDR threshold of 25% (probably due to the small number of CD5+ cases, and the highly heterogeneous nature of CD5− DLBCL patients).