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Clinical Characteristics of the Study Population
| Characteristics | Number of patients | Percentage % |
|---|---|---|
| Age | ||
| Median age | 53 years | - |
| Average age | 50.87 years | - |
| Range | 25-81 years | - |
| ≥50 | 40 | 57.9 |
| <50 | 29 | 42.1 |
| Tumor size | ||
| Average tumor size | 4.1cm | |
| >2cm | 58 | 84 |
| ≤ 2cm | 11 | 16 |
| Histology | ||
| Infiltrating ductal carcinoma | 67 | 97.1 |
| Infiltrating lobular carcinoma | 2 | 2.9 |
| Tumor grade | ||
| II | 34 | 49.3 |
| III | 35 | 50.7 |
| Lymph node status | ||
| Positive | 24 | 34.8 |
| Negative | 12 | 17.4 |
| Missed | 33 | 47.8 |
