Table 1 Clinicopathological variables of the tumour set.
| Variable | Cases (n (%)) |
|---|---|
| Total number | 162 (100%) |
| Histology | |
| Invasive ductal | 144 (88.9%) |
| Invasive lobular | 17 (10.5%) |
| Mixed | 1 (0.6%) |
| pT stage | |
| pT1 | 103 (63.6%) |
| pT2 | 44 (27.7%) |
| pT3 | 7 (4.3%) |
| pT4 | 9 (4.9%) |
| Lymph node status | |
| pN0 | 81 (50.0%) |
| pN1 | 35 (21.6%) |
| pN2 | 20 (12.3%) |
| pN3 | 26 (16.0%) |
| Tumour grade | |
| G1 | 40 (24.7%) |
| G2 | 82 (50.6%) |
| G3 | 40 (24.7%) |
| Age (years) | |
| <60 | 86 (53.1%) |
| > = 60 | 76 (46.9%) |
| Adjuvant treatment (n = 154) | |
| None/radiotherapy | 35 (21.6%) |
| Chemotherapy only | 31 (19.1%) |
| Tamoxifen±chemotherapy | 88 (54.3%) |
| Oestrogen receptor (n = 148) | |
| Negative | 42 (25.9%) |
| Positive | 106 (65.4%) |
| c‐erbB2 (n = 135) | |
| 0, 1+ | 100 (61.7%) |
| 2+, 3+ | 35 (21.6%) |
pT, primary tumour.