Normal breast tissue

Breast carcinoma

Lymph node metastases

Correlation

P value

Correlation

P value

Correlation

P value

HER1-HER2

0.085

0.28

−0.063

0.42

−0.12

0.36

HER1-HER3

−0.007

0.93

0.079

0.31

0.16

0.22

HER1-HER4

0.012

0.88

0.020

0.80

0.12

0.35

HER2-HER3

0.39

<0.0001^*

0.28

0.0003^*

0.23

0.081

HER2-HER4

0.49

<0.0001^*

0.16

0.041^*

0.062

0.64

HER3-HER4

0.47

<0.0001^*

0.50

<0.0001^*

0.54

<0.0001^*