The main pathological, clinical and treatment parameters within the study population of 92 young patients with invasive breast cancer
| All patients | ||
|---|---|---|
| Parameter | N=92 | Per cent |
| Age at diagnosis | ||
| ≤35 | 25 | 27.2 |
| 36–39 | 67 | 72.8 |
| Symptoms | ||
| Lump | 84 | 91.3 |
| Deformity of breast shape/skin puckering | 5 | 5.4 |
| Nipple inversion/blood discharge | 1 | 1.1 |
| Inflammation | 1 | 1.1 |
| Incidental imaging finding | 1 | 1.1 |
| Tumour size (cm) | ||
| 0.1–1.0 | 11 | 12.0 |
| 1.1–2.0 | 41 | 44.6 |
| 2.1–3.0 | 28 | 30.4 |
| 3.1–5.0 | 12 | 13.0 |
| Lymph node status | ||
| 0 | 53 | 57.6 |
| 1–3 | 25 | 27.2 |
| >3 | 14 | 15.2 |
| Tumour grade | ||
| Grade I | 16 | 17.4 |
| Grade II | 25 | 27.2 |
| Grade III | 51 | 55.4 |
| Histology | ||
| Ductal | 88 | 95.7 |
| Lobular | 0 | 0.0 |
| Other | 4 | 4.3 |
| Estrogen receptor status | ||
| Positive | 73 | 79.3 |
| Negative | 19 | 20.7 |
| HER2 receptor status | ||
| Positive | 6 | 6.5 |
| Negative | 33 | 35.9 |
| Unknown | 53 | 57.6 |
| Vascular invasion | ||
| Present | 40 | 43.5 |
| Not present | 52 | 56.5 |
| Surgery | ||
| Overall mastectomy rate | 46 | 50.0 |
| Mastectomy without reconstruction | 20 | 21.7 |
| Mastectomy and immediate reconstruction | 26 | 28.3 |
| Breast conserving surgery | 46 | 50.0 |
| Neoadjuvant chemotherapy | ||
| Yes | 6 | 6.5 |
| No | 86 | 93.5 |
| NPI | ||
| Excellent | 12 | 13.0 |
| Good | 14 | 15.2 |
| Moderate 1 | 25 | 27.2 |
| Moderate 2 | 20 | 21.7 |
| Poor | 21 | 22.8 |
NPI, Nottingham Prognostic Index.