Table 2.
Clinical and Histopathological Characteristics
| Characteristic | No (%) of patients |
|---|---|
| Primary tumour stage | |
| Tis | 9 (3.8) |
| T1mic | 4 (1.7) |
| T1 | 44 (18.8) |
| T2 | 171 (73.1) |
| T3 | 5 (2.1) |
| Tx | 1 (0.4) |
| Histologic subtype | |
| DCIS | 9 (3.8) |
| DCIS + micro invasion | 4 (1.7) |
| Invasive ductal carcinoma | 195 (83.3)) |
| Invasive lobular carcinoma | 4 (3.4) |
| Others | 18 (7.7) |
| Case laterality | |
| Unilateral | 231 (98.7) |
| Bilateral | 3 (1.3) |
| Quadrant of tumour | |
| Lateral | 117 (50) |
| Central | 54 (23.1) |
| Medial | 56 (23.9) |
| Missing data | 7 (3) |
| Distribution of tumour | |
| Unifocal | 220 (94) |
| Multifocal | 14 (6) |
| Grade of invasive cancer (n = 225) | |
| G1 | 35 (15.5) |
| G2 | 89 (39.5) |
| G3 | 99 (44) |
| Missing data | 2 (1) |
| Oestrogen receptor status | |
| Positive | 184 (78.6) |
| Negative | 50 (21.4) |
| Progesterone receptor status | |
| Positive | 174 (74.4) |
| Negative | 60 (25.6) |
| HER 2 receptor status | |
| Positive | 44 (18.8) |
| Negative | 146 (62.4) |
| Equivocal | 33 (14.1) |
| Missing | 11 (4.7) |