Expression of CD44s and/or CD44v6 has been associated with shortened survival in DLBCL and clustered in bcl-6− (non-GC) cases (Ristamaki et al. 1995; Drillenburg et al. 1999; Inagaki et al. 1999; Tzankov et al. 2003a). This evidence concerns the gene BCL6 and diffuse large B-cell lymphoma.