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Table 2 Clinico-pathological characteristics of the breast cancer patients

From: ESR1gene promoter region methylation in free circulating DNA and its correlation with estrogen receptor protein expression in tumor tissue in breast cancer patients

Characteristic

 

Cases

% of total

N = 110

Histological type

   
 

Invasive ductal carcinoma

82

74.5

 

Invasive lobulillar carcinoma

10

9

 

Invasive mixed carcinoma

7

6.3

 

Others

11

10

Histological grade

   
 

Grade I

20

18.7

 

Grade II

40

37.4

 

Grade III

35

32.7

 

Unknown

12

11.2

Pathological T

   
 

T1

64

58

 

T2

43

39

 

T3

3

2.7

Pathological N

   
 

N0

75

68

 

N1

35

32

 

N2

0

0

Luminal phenotype

   
 

Luminal A

39

36.4

 

Luminal B

22

20.5

 

Triple Negative

15

14

 

Her2-neu

10

9.3

 

Unknown

21

19.6