Table 4.
Details of DFS and OS events by status of molecular markers among 330 patients with at least two invasive tumor foci.
| TotalN = 330 (%) | HomoN = 277 (%) | HeteroN = 53 (%) | |
|---|---|---|---|
| DFS events | |||
| No recurrence | 309 (93.6) | 261 (94.2) | 48 (90.6) |
| Local-regional recurrence | 5 (1.5) | 4 (1.4) | 1 (1.9) |
| Contralateral breast cancer | 4 (1.2) | 4 (1.4) | 0 (0.0) |
| Second non-breast malignancy | 2 (0.6) | 1 (0.4) | 1 (1.9) |
| Distant recurrence | 8 (2.4) | 6 (2.2) | 2 (3.8) |
| Death without recurrence | 2 (0.6) | 1 (0.4) | 1 (1.9) |
| OS events | |||
| Alive | 323 (97.9) | 272 (98.2) | 51 (96.2) |
| Death of any cause | 7 (2.1) | 5 (1.8) | 2 (3.9) |
| Death with recurrence | 5 (1.5) | 4 (1.4) | 1 (1.9) |
| Death without recurrence | 2 (0.6) | 1 (0.4) | 1 (1.9) |
DFS, disease-free survival; OS, overall survival.