CD5 and aneurysmal bone cyst: As shown in Figures 4A, B, the ABC subtype accounted for 62.5% (15/24) of CD5+ DLBCL and only 34.78% (8/23) of CD5- DLBCL, whereas the GCB subtype accounted for only 12.5% (3/24) of CD5+ DLBCL and 60.87% (14/23) of CD5- DLBCL.