Table 1 Characteristics of patients and tumors
| Â | Median (range) | n (%) |
|---|---|---|
Age in years | 51.8 (30-74) | Â |
Histological type | Â | Â |
   Invasive ductal |  | 43 (76.80) |
   Invasive lobular |  | 4 (7.15) |
   DCIS |  | 5 (8.90) |
   Mucinous Adenocarcinoma |  | 4 (7.15) |
Nodal status | Â | Â |
   Negative |  | 32 |
   Positive |  | 24 |
Histological grade | Â | Â |
   Grade 1 |  | 7 |
   Grade 2 |  | 19 |
   Grade 3 |  | 17 |
Estrogen receptors | Â | Â |
   Negative |  | 27 (48.2) |
   Positive |  | 29 (51.8) |
Progesterone receptors | Â | Â |
   Negative |  | 37 (66.1) |
   Positive |  | 19 (33.9) |
ErbB2 | Â | Â |
   Negative |  | 30 (53.5) |
   Positive |  | 26 (46.5) |
P53 | Â | Â |
   Negative |  | 6 (10.8) |
   Positive |  | 50 (89.2) |