This overexpression of FOXP1 can be caused by a trisomy 3 in ABC-DLBCL [13], and by t(3 ;14)(p14 ;q32) translocation, involving FOXP1 and IgH loci, in ABC-DLBCL and Malt lymphoma [14, 15]. The gene discussed is FOXP1; the disease is aneurysmal bone cyst.