BCR and diffuse large B-cell lymphoma: In previous work [64], a combined approach of transcriptional profiling and gene set enrichment analysis had highlighted the existence of three distinct DLBCL sets containing a significant number of functionally related genes, referred to as: oxidative phosphorylation (OXPHOS), B-cell receptor/proliferation (BCR/proliferation) and host response (HR) (downloadable from http://www.broadinstitute.org/cgi-bin/cancer/datasets.cgi).