Table 1 Patient characteristics: early disease

Menopausal status

   Premenopausal

4 (25)

   Postmenopausal

12 (75)

   Unknown

0 (0)

Tumor size

   pT1

3 (19)

   pT2

10 (62)

   pT3

3 (19)

Lymph node status

   Node-negative

6(38)

   Node-positive

10 (62)

Histologic grade

   Grade 1

1 (6)

   Grade 2

11 (69)

   Grade 3

4 (25)

ER/PR tumor status

   Positive

11 (69)

   Negative

4 (25)

   Unknown

1 (6)

HER2 tumor status

   Positive^a

3 (19)

   Negative

12 (75)

   Unknown

1 (6)

EGFR tumor status

   Positive

3 (19)

   Negative

9 (56)

   Unknown

4 (25)