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Cumulative incidence of invasive ipsilateral breast tumor recurrence (%)
| 5 years | 10 years | 15 years | 20 years | Annual failure rate | |
|---|---|---|---|---|---|
| Bp (B-17) | 10.2 | 16.4 | 19.4 | 20.4 | 1.88 |
| Bp+RT (B-17) | 3.2 | 5.5 | 8.9 | 13.5 | 0.9 |
| Bp+RT+placebo (B-24) | 3.9 | 7.3 | 10 | – | 0.88 |
| Involved margins | – | – | 17.4 | – | – |
| Free margins | – | – | 7.4 | – | – |
| Bp+RT+TAM (B-24) | 2 | 4.6 | 8.5 | – | 0.6 |
| Involved margins | – | – | 11.5 | – | – |
| Free margins | – | – | 7.5 | – | – |
Bp, partial resection of the breast; RT, radiation therapy; TAM, tamoxifen.
