Table 1.
Patient demographic and tumor characteristics
| Parameter | n (%) |
|---|---|
| Age (years) | |
| Median | 82 |
| Range | 44-92 |
| 44-59 | 10 |
| 60-69 | 15 |
| >70 | 59 |
| T stage | |
| pTis | 6 (7.2) |
| pT1 | 28 (33.7) |
| pT2 | 25 (30.2) |
| Local relapse | 24 (28.9) |
| N stage | |
| pN0 (sn) | 81 (97.6) |
| pN1mi (sn) | 2 (2.4) |
| Histological subtype | |
| Ductal invasive | 65 (78.4) |
| Carcinoma in situ | 7 (8.4) |
| Mucinous invasive | 5 (6) |
| Papilar invasive | 4 (4.8) |
| Lobular invasive | 1 (1.2) |
| Mixed infiltrating ductal-lobular | 1 (1.2) |
| Intrinsic subtype | |
| Luminal A | 38 (45.7) |
| Luminal B | 15 (18.2) |
| ErB2 overexpression | 4 (4.8) |
| “Basal like” | 2 (2.4) |
| Grading | |
| 1 | 26 (31.3) |
| 2 | 34 (40.9) |
| 3 | 12 (14.4) |
| Unknow | 11 (13.4) |