| Variables | Number (n) | Proportion (%) |
| Chemotherapy | 397 | 79.4 |
| Surgery | 225 | 45.0 |
| Radiotherapy | 73 | 14.6 |
| Hormone therapy | 171 | 34.2 |
| No modality | 86 | 17.2 |
| If Surgery (N= 225) |
|
|
| Conservative | 11 | 11.6 |
| Radical | 214 | 88.4 |
| If Chemotherapy (N = 397) |
|
|
| Regimen A | 16 | 4.0 |
| Regimen B | 30 | 7.6 |
| Regimen C | 123 | 31 |
| Regimen D | 133 | 33.5 |
| Unknown | 95 | 23.9 |
| Response to chemotherapy (N = 288) |
|
|
| Complete response | 102 | 35.4 |
| Partial response | 121 | 42.1 |
| Tumor progression | 51 | 17.7 |
| Tumor stable | 14 | 4.9 |