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Table 5 Frequency of HER-2, ER and PR expression by histological subtype

From: Correlation of HER-2 over-expression with clinico-pathological parameters in Tunisian breast carcinoma

Histologic subtype

n (%)

ER+ (%)

PR+ (%)

HER2-+ (%)

Ductal NOS

130 (83.3)

61.1

53.8

16.8

Inflammatory

8 (23,5)

37,5

37.5

50

Lobular

6 (17,6)

50

50

16.7

Mucinous

5 (14,7)

60

60

0

Endocrine

3 (8,8)

66.7

33.3

33.3

Metaplastic

1 (2,9)

100

100

0

Medullary

1 (2,9)

0

0

0

Oncocytic

1 (2,9)

0

0

100

  1. NOS: not otherwise specified;HER-2: Human epidermal growth factor receptor 2; ER: Estrogen receptor; PR: Progesterone receptor.