| Number | % |
---|---|---|
Age | Â | Â |
   <50 years | 17 | 22 |
   ≥50 years | 60 | 78 |
Primary tumor size | Â | Â |
   pT1 | 25 | 32 |
   pT2-4 | 40 | 52 |
   PTx | 12 | 16 |
Nodal status | Â | Â |
   No | 22 | 29 |
   N1 | 39 | 51 |
   Nx | 16 | 21 |
Grading | Â | Â |
   I to II | 35 | 45 |
   III | 24 | 31 |
   Unknown | 18 | 23 |
Estrogen receptor status | Â | Â |
   Negative | 20 | 26 |
   Positive | 45 | 58 |
   Unknown | 12 | 16 |
Progesterone receptor status | Â | Â |
   Negative | 25 | 33 |
   Positive | 39 | 50 |
   Unknown | 13 | 17 |
HER2 statusa | Â | Â |
   Negative | 44 | 57 |
   Unknown | 33 | 43 |
Localization of metastases | Â | Â |
   Visceral | 25 | 33 |
   Bone | 13 | 17 |
   Multiple/other | 39 | 51 |