An Immunohistochemical Study on the Expression of Sex Steroid Receptors in Canine Mammary Tumors

Table 4

Association of ERβ with ERα and PR status in benign tumors (𝑛=11).

	ERβ negative %	ERβ positive %	P value
ERα
Negative (%)	2 (18%)	9 (82%)	—
Positive (%)	0	0
PR
Negative (%)	1 (9%)	4 (36%)	>0.05
Positive (%)	1 (9%)	5 (46%)