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Table 1 Clinical information for invasive ductal carcinoma (IDC) and ductal carcinoma in situ (DCIS)

From: TGF-β1 stimulates epithelial–mesenchymal transition and cancer-associated myoepithelial cell during the progression from in situ to invasive breast cancer

Characteristic

DCIS (n = 88)

IDC (n = 116)

No.

%

No.

%

Age at diagnosis (years)

 ≤ 50

46

52.3

80

69

 > 50

42

47.7

36

31

Tumor size (cm)

 ≤2

27

30.7

35

30.2

 2–5

58

65.9

69

62.3

 >5

3

3.4

12

7.4

Histological grade

 1

  

20

17.2

 2

  

77

66.4

 3

  

19

16.4

Nuclear grade

 1

24

27.3

  

 2

50

56.8

  

 3

14

15.9

  

Lymph node status

 0

88

100

55

47.4

 1–3

0

0

37

31.9

 4–9

0

0

12

10.3

 ≥10

0

0

12

10.3

ER status

 Negative

20

22.7

50

43.1

 Positive

68

77.3

66

56.9

PR status

 Negative

23

26.1

62

53.4

 Positive

65

73.9

54

46.6

 Her-2

 Negative

56

63.6

70

60.3

 Positive

32

36.4

46

39.7

ki67

 <20

65

73.9

20

17.2

 ≥20

23

26.1

96

82.8