Variables

Categories

Number (n)

Proportion (%)

Histologic type

Ductal carcinoma infiltrant

422

84.7

CIS

29

7.8

Papillary carcinoma infiltrant

7

1.4

Lobular carcinoma infiltrant

11

2.2

Mucinous carcinoma

13

2.6

Others

16

3.2

Histologic grade (SBR)

Grade 1

139

27.8

Grade 2

201

40.2

Grade 3

82

16.4

Unknown

78

15.6

Molecular classification

Yes

170

34.2

No

327

65.8

Molecular types (N = 170)

Luminal A

51

30

Luminal B

34

20

HER2+

14

8.2

Triple negative

71

41.8

ACR classification (N=324)

ACR0

0

0

ACR1 (normal)

0

0

ACR2 (benign)

10

3.1

ACR3 (very benign)

44

13.6

ACR4 (suspicious)

193

59.6

ACR5 (suggests cancer)

71

21.9

ACR6 (cancer)

6

1.8