Table 1.
Patient characteristics
| Stage at initial diagnosis | ||
| Stage IV | 45 | 32 |
| Stage I−III | 95 | 68 |
| Visceral metastases | ||
| Yes | 80 | 57 |
| No | 60 | 43 |
| Progesterone Receptor Status (Immunohistochemistry) | ||
| Positive | 80 | 57 |
| Negative | 60 | 43 |
| Prior sensitivity | ||
| Sensitive | 70 | 50 |
| Resistant | 39 | 28 |
| No prior endocrine therapy | 31 | 22 |
| Number of events biopsied | ||
| Initial diagnosis | 20 | 14 |
| 1st | 42 | 30 |
| 2nd | 26 | 19 |
| 3rd | 14 | 10 |
| 4th or more | 38 | 27 |
| Treatment | ||
| Endocrine | 97 | 69 |
| Chemotherapy | 33 | 24 |
| Other | 8 | 6 |
| Radiotherapy alone | 2 | 1 |
| Median | Range | |
| Age | ||
| Years | 55 | 32−82 |
| Progression-free survival | ||
| Months | 5.53 | 0.16−74 |
| Overall survival | ||
| Months | 24 | 0.16−126 |
Characteristics of the 140 patients with stage IV breast cancer