Table 1.
Patients and tumor charateristics
| Total (n = 136) | % | |
|---|---|---|
| Age (year) | ||
| Mean ± SD | 58.1 ± 13.0 | |
| Range | 33–88 | |
| pT category | ||
| pTis (DCIS) | 12 | 9 |
| pT1 | 84 | 62 |
| pT2 pT3 | 40 | 29 |
| pN category | ||
| pN0 | 94 | 69 |
| pN1 pN2 pN3 | 37 | 27 |
| pNX | 5 | 4 |
| Tumor histologic type | ||
| Noninvasive ductal carcinoma | 12 | 9 |
| Invasive ductal carcinoma | 107 | 79 |
| Special types | 17 | 13 |
| Tumor grade (SBR) | ||
| Grade 1 | 31 | 23 |
| Grade 2 | 51 | 38 |
| Grade 3 | 53 | 39 |
| Unknown | 2 | 1 |
| Lymphatic invasion score | ||
| 0 | 87 | 64 |
| 1.2.3 | 49 | 36 |
| Vascular invasion score | ||
| 0 | 136 | 100 |
| 1.2.3 | 0 | 0 |
| Hormone receptor status | ||
| ER-positive | 120 | 88 |
| ER-negative | 16 | 12 |
| PgR-positive | 102 | 75 |
| PgR-negative | 34 | 25 |
| HER2 status | ||
| Negative | 106 | 78 |
| Positive | 28 | 21 |
| Unknown | 2 | 1 |
SD standard deviation, ER estrogen receptor, PgR progesterone receptor, SBR Scarff–Bloom–Richardson