Table 2a.

Immunohistochemical analysis of CD5, CD10, BCL6, MUM1, BCL2, PAX5, and CD20

Markers	Proportion of immunopositive tumor cells
	Score 1	Score 2	Score 3	Score 4	Score 5	Score 6
	<1%	1–9%	10–29%	30–49%	50–79%	>80%	Total
CD5	28	1	3	0	4	1	37
CD10	20	1	2	0	3	11	37
BCL6	5	3	4	4	14	7	37
MUM1	4	1	10	5	9	8	37
BCL2	4	2	0	2	5	24	37
PAX5	0	0	0	0	3	34	37
CD20	0	0	0	0	0	37	37