Patients n=31
  Range Mean (median)
Age 26 - 75 54 ±13 (51)
DCIS/IDC/ILC 9 / 21 / 1
HER2 0 / 1+,2+ / 3+ 11 / 8 /12
LN meta pN0/pN1≦ 27 / 4
Healthy Donor n=11
  Range Mean (median)
Age 21 - 42 31±7.7 (29)
Table 1: clinical characteristics.