| Median age (years old) | 75 (31 - 85) |
| Follow-up period (months) | 16 (6 - 21) |
| Histological type | |
| *IDC | 24 |
| **ILC | 2 |
| special type | 1 |
| T | |
| T1 | 11 |
| T2 | 14 |
| T3 | 2 |
| N | |
| N0 | 19 |
| N1 | 8 |
| ER | |
| positive | 25 |
| negative | 2 |
| PgR | |
| positive | 18 |
| negative | 9 |
| HER2*** | |
| positive | 5 |
| negative | 22 |
| Ki-67 | |
| <20% | 15 |
| ≥20% | 12 |
| Molecular Subtype | |
| luminal A-like | 9 |
| luminal B-like | 16 |
| HER2-enriched | 2 |
| Basal-like | 0 |