Table 1 Cohort summary

Type:

 Benign

5

17

 Borderline

8

21

 Carcinoma

11

20

Grade (carcinoma)

 1

5

6

 2

3

10

 3

2

4

 Not known

1

Stage (carcinoma)

 1

7

16

 2

1

1

 3

1

1

 Not known

2

2

Age (average ± standard deviation)

 Benign

49.8 ±5.9

59.5 ±11.3

 Borderline

55.4 ±15.8

53.6 ±16.0

 Carcinoma

62.3 ±11.0

53.8 ±11.1

Laterality

 Unilateral

21

54

 Bilateral

2

4

 Not known

1

Size

 <10 cm

2

1

 ≥10 cm

21

57

 Not known

1

0