. 2019 Mar 15;20(2):e11. doi: 10.4142/jvs.2019.20.e11

Table 2. Histopathological categorization of mammary lesions and hormone receptor expression in mammary hyperplastic lesions.

Diagnosis	Cases (n = 82)	Cases positive to hormone receptor
Diagnosis	Cases (n = 82)	ER-α	ER-β	PR
Hyperplastic lesion^*	49 (59.76)	0 (0)	0 (0)	49 (100)
Mammary gland hyperplasia and mastitis	1 (1.22)	0 (0)	0 (0)	1 (100)
Mastitis^†	32 (39.02)	ND	ND	ND

Values are presented as number (%).

ER, estrogen receptor; PR, progesterone receptor; ND, not determined.

^*Including mammary gland hyperplasia and ductal epithelial hyperplasia; ^†Bacterial foci and infiltrations of inflammatory cells adjacent to mammary glands.