Breast cancer patients n=173
Age (years; mean [range]) 55.0 (34–81)
HER2 0/1+2+/3+ 66/89/18
DCIS/IDC/ILC/Other 58/107/5/3
LN metastasis +/- 125/48
Healthy controls n=22
Ages (years; mean[range]) 30.9 (21–42)
Table 1: Demographic and clinical characteristics of the patients and healthy donors.