Histological class

Histological types

Effective

Frequency (%)

Benign lesions

(n = 52)

ADF

24

46

MFK

11

21

Phyllodes tumor

5

9.6

Remodeled cyst

5

9.6

Mastitis

3

5.7

Abscess

1

1.9

Galactocele

1

1.9

Galactophoritis

1

1.9

Apocrine metaplasia

1

1.9

Intermediate lesions

(n = 5)

HCA

2

40

Sclorosing adenosis

3

60

Malign lesions

(n = 3)

CCI or CINS

2

67

CCIS

1

33