Normal breast-carcinoma (n = 163)

Carcinoma-lymph node metastasis (n = 58)

Correlation

P value

Correlation

P value

HER1

0.19

0.013^*

0.48

<0.0001^*

HER2

0.083

0.29

0.58

<0.0001^*

HER3

0.14

0.073

0.15

0.28

HER4

0.12

0.14

0.29

0.026^*