Table 1 Characteristics of patients with invasive breast carcinomas

Histologic type:

infiltrating ductal

97

54.5

lobular

40

22.5

tubular

9

5.1

mucinous

4

2.2

medullary

4

2.2

mixed-type

24

13.5

unknown

22

pT-stage:

pT1

76

42.7

pT2

55

30.9

pT3

13

7.3

pT4

34

19.1

pTx

22

pN-stage:

pN0

94

54.3

pN1

66

38.2

pN2

13

7.5

pN3

0

0

pNx

27

cM-stage

M0

156

87.7

M1

22

12.3

pMx

22

Grading:

G1

16

9.0

G2

98

55.1

G3

64

35.9

unknown

22

ER expression

positive

105

62.9

negative

62

37.1

unknown

33

PR expression

positive

77

46.4

negative

89

53.6

unknown

34

HER2expression

positive

15

8.9

negative

154

91.1

unknown

31

MIB-1 expression

< 20%

105

62.5

≥ 20%

63

37.5

unknown

32