Table 1.
Clinical and pathological characteristics of oestrogen receptor‐positive breast cancer patients included in the study (n = 159)
| Characteristic | Value |
|---|---|
| Age (years), median (minimum–maximum) | 57 (33–70) |
| Progesterone receptor status, n (%) | |
| Negative | 19 (12) |
| Positive | 140 (88) |
| HER2 status, n (%) | |
| Negative | 156 (98) |
| Positive | 2 (2) |
| Grade, n (%) | |
| 1 | 26 (16) |
| 2 | 106 (67) |
| 3 | 27 (17) |
| Histological tumour type, n (%) | |
| Invasive ductal breast cancer | 159 (100) |
| Unifocal tumour, n (%) | |
| No | 9 (6) |
| Yes | 150 (94) |
| Tumour diameter (mm), median (minimum–maximum) | 15 (5–35) |
| T stage, n (%) | |
| T1 | 132 (83) |
| T2 | 27 (17) |
| N stage, n (%) | |
| N0 | 138 (87) |
| Nmi | 13 (8) |
| N1a | 6 (4) |
| Unknown | 2 (1) |
| Type of surgery, n (%) | |
| Lumpectomy | 134 (84) |
| Mastectomy | 25 (16) |