Table 1 Data summary

Benign lesions^#

1.3(0.5-3.0)cm

1.8(0.5-9.0)

Malignant lesions^#

2.8(1.5-5.0)cm

2.6(0.5-5.5)cm

Number

Percentage

Number

Percentage

BI-RADS assessments

category 2

30

12.8

17

18.3

category 3

41

17.6

41

44.1

category 4

98

41.8

27

29.0

category 5

65

27.8

8

8.6

Malignant lesions

149

63.68

75

80.6

  Invasive ductal carcinoma

120

51.3

62

66.7

  Intraductal carcinoma

17

7.26

9

9.7

  Ductal carcinoma in situ

4

1.7

1

1.1

  Mucinous carcinoma

3

1.28

2

2.1

  Medullary carcinoma

1

0.43

0

0

  Others

4

1.71

1

1.1

Benign lesions

85

36.32

18

19.4

  Fibroadenoma

26

11.11

6

6.4

  Fibrocystic changes

24

10.26

3

3.2

  Fibroadenosis

3

1.28

3

3.2

  Intraductal papilloma

4

1.71

3

3.2

  Hyperplasia

3

1.28

1

1.1

Phyllodestumor

2

0.85’

1

1.1

Adenomyosisepithelioma

1

0.43

0

0

  Inflammation

1

0.43

1

1.1

  Follow-up

21

8.97

0

0