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Table 1 Patient and tumor characteristics

From: Estrogen receptor and HER2/neu status affect epigenetic differences of tumor-related genes in primary breast tumors

Clinical factors

ER negative (n = 65)

ER positive (n = 65)

Menopausal status

  

   Premenopause

35

35

   Postmenopause

30

30

T stage

  

   T1c

24

24

   T2

37

37

   T3

4

4

N stage

  

   N0

38

38

   N1

26

27

   N2

1

0

M stage

  

   M0

65

65

   M1

0

0

AJCC stage

  

   I

17

17

   IIa

28

28

   IIb

16

16

   IIIa

4

4

   IV

0

0

HER2/neu

14/51 (27%)

15/56 (27%)

Total

65

65

  1. ER, estrogen receptor; HER, human epidermal growth factor receptor.
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Breast Cancer Research

ISSN: 1465-542X

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