Demographic and Clinical Characteristics of Study Population
| Lesions | |||
| Characteristic | Data | n | % |
| Patients (n) | 79 (all female) | 83 | |
| Mean age ± SD (y) | 49 ± 18 (range, 19–69) | ||
| Diagnosis, benign (n) | 13 | 13 | 100 |
| Fibroadenoma | 4 | 4 | 30.8 |
| Mastopathy | 4 | 4 | 30.8 |
| Adenosis with atypia | 3 | 3 | 23.1 |
| Benign phyllodes tumor | 2 | 2 | 15.4 |
| Diagnosis, malignant (n) | 66 | 70 | 100 |
| Invasive ductal carcinoma | 61 | 65 | 91.4 |
| Medullary carcinoma | 1 | 1 | 1.4 |
| Mucinous carcinoma | 1 | 1 | 1.4 |
| Squamous cell carcinoma | 1 | 1 | 1.4 |
| Micropapillary carcinoma | 2 | 2 | 2.9 |