Characteristic | Proportion |
---|---|
Tumor type | |
Infiltrating ductal carcinoma | 86.7% |
Others | 13.3% |
Age of onset (years) | |
<40 | 20.1% |
≥40 | 79.9% |
Familial history | |
Negative | 90.6% |
Positive | 9.4% |
Tumour size | |
<5 cm | 87.5% |
≥5 cm | 12.5% |
LN metastasis | |
Absent | 59.0% |
Present | 41.0% |
ER expression in breast cancer tissue | |
Negative | 31.7% |
Positive | 68.3% |