The fact that SAIL was expressed at similar levels in both the ABC and GCB subtypes of DLBCL is of clinical interest, given the low success rate of R-CHOP shown to date in ABC-DLBCL.32, 33 The selective tumor expression of SAIL mRNA was also confirmed by an ISH analysis of normal tissues, which demonstrated expression predominantly in lymphoid tissues. Here, DDIT3 is linked to aneurysmal bone cyst.