|  | Number | Range | Mean ± SD |
---|---|---|---|---|
Tumor size (in cm) |  | 69 | 1 - 6 | 2.9 ± 1.1 |
Histo-pathological type | Invasive ductal | 66 | Â | Â |
undifferentiated | 3 | Â | Â | |
Tumor grade | I | 14 | Â | Â |
II | 37 | Â | Â | |
III | 17 | Â | Â | |
Estrogen/Progesteron receptors | Positive | 29 | Â | Â |
Negative | 40 | Â | Â | |
Distant metastasis | No | 64 | Â | Â |
Yes | 5 | Â | Â |