Table 1.
Patient and tumor characteristics
| Number of women | 61 |
| Mean age: years (range) | 64 (42–77) |
| Race | |
| Caucasian | 52 |
| African American | 3 |
| Hispanic/Latino | 5 |
| Asian | 1 |
| Mean tumor size (pre-ablation MRI): mm (range) | 11.3 (4.0–19.0) |
| Histology | |
| Infiltrating ductal | 47 |
| Infiltrating ductal/ductal carcinoma in situ | 9 |
| Ductal carcinoma in situ | 1 |
| Other | 3 |
| Tumor grade | |
| 1 | 24 |
| 2 | 31 |
| 3 | 6 |
| Lymphovascular invasion | 3 |
| Molecular subtype | |
| HER2–/estrogen receptor+ | 50 |
| HER2 +/estrogen receptor+ | 4 |
| HER2 +/estrogen receptor– | 2 |
| HER2 equivocal | 2 |
| HER2 not done | 2 |
| HER2–/estrogen receptor– | 1 |
HER2 human epidermal growth factor receptor 2