Table 2. Distribution of the main forms of the Ets-1 protein in fibroadenomas and primary breast carcinomas.

	Fibroadenoma (n=38)			Primary breast carcinoma (n=78)
	No. pos.	% pos	Median level	No. pos.	% pos	Median level
p33	27	74	0.44	52	67	0.36
p42	5	13	0	8	10	0
p51	18	47	0	44	56	0.19
p52	32	84	0.18	65	83	0.44