Age (median 56.2; range 26-82 years; n = 57)

< 40 years

≥ 40 years

5

52

9

91

Tumor size (n = 57)

T1 (≤ 2 cm)

T2 (> 2 cm and ≤ 5 cm)

T3 (> 5 cm)

15

34

8

26

60

14

Tumor grade (n = 56)

Grade 1

Grade 2

Grade 3

3

15

38

5

27

68

LN involvement (n = 57)

Positive

Negative

31

26

54

46

Histological subtypes (n = 62)

Invasive ductal carcinoma NOS

Mixed ductal and lobular carcinoma

Metaplastic carcinoma

Medullary-like carcinoma

59

1

1

1

95

1.6

1.6

1.6

Lymphovascular invasion (n = 38)

Yes

No

17

21

45

55

αβ-crystallin (n = 66)

Positive

Negative

48

18

73

27

Laminin-332 (n = 69)

Positive

Negative

44

25

64

36

αβ-crystallin negative/Laminin-332 positive (n = 52)

Yes

No

7

45

14

86

Basal profile (n = 69)

Yes

No

57

12

83

17

Penta-negative profile (n = 69)

Positive

Negative

12

57

17

83

Follow up (months)

Mean (range) n = 55

71.4

2-305

Recurrence (n = 69)

No

Yes

Non available

21

28

20

42.9

57.1

Condition at the end of the study (n = 69)

Alive

Deceased (breast cancer-related causes)

Non available

34

23

12

59.6

40.4

-