BCL2 and B-cell non-Hodgkin lymphoma: Finally, in a recent study involving 40 T-cell AL, 5 B-cell AL and 8 IBD, T-cell lymphomas in particular were characterised by a high percentage of Bcl-2 (B-cell lymphoma gene 2) labelled cells, whilst B-cell lymphomas varied more widely in the number of positively-labelled cells [19].