Table 3 Characteristics of the treatments.
Treatments | |
---|---|
Surgery (n = 288) | |
Type of surgery | |
Partial mastectomy | 170 (59.0%) |
Bilateral partial mastectomy | 7 (2.4%) |
Lumpectomy | 3 (1.0%) |
Total mastectomy | 99 (34.4%) |
Bilateral total mastectomy | 3 (1.0%) |
Total mastectomy on one side and partial mastectomy on the other | 6 (2.1%) |
Axillary node dissection | 205 (71.2%) |
Sentinel lymph node | 176 (61.1%) |
Chemotherapy (n = 288) | |
Any type | 209 (72.6%) |
Adjuvant | 159 (55.2%) |
Neo-adjuvant | 61 (21.2%) |
Hormone therapy (n = 283) | |
Any type | 227 (80.2%) |
Tamoxifen-based | 90 (31.8%) |
Radiotherapy | |
Breast or chest wall PTV (n = 288) | |
D50% (mean ± SD) (Gy) | 49.8 ± 0.8 |
D95% (mean ± SD) (Gy) | 47.0 ± 2.9 |
D2% (mean ± SD) (Gy) | 56.5 ± 4.1 |
Concomitant boost PTV (n = 167) | |
D50% (mean ± SD) (Gy) | 59.4 ± 1.0 |
D95% (mean ± SD) (Gy) | 57.2 ± 1.2 |
D2% (mean ± SD) (Gy) | 61.2 ± 1.2 |
Internal mammary chain PTV (n = 258) | |
D50% (mean ± SD) (Gy) | 49.5 ± 1.8 |
D95% (mean ± SD) (Gy) | 46.9 ± 3.6 |
D2% (mean ± SD) (Gy) | 52.1 ± (1.6 |
Subclavicular* PTV (n = 253) | |
D50% (mean ± SD) (Gy) | 49.6 ± 1.3 |
D95% (mean ± SD) (Gy) | 47.1 ± 2.1 |
D2% (mean ± SD) (Gy) | 51.9 ± 1.1 |
Supraclavicular** PTV (n = 258) | |
D50% (mean ± SD) (Gy) | 49.9 ± 1.4 |
D95% (mean ± SD) (Gy) | 48.2 ± 2.0 |
D2% (mean ± SD) (Gy) | 52.0 ± 1.1 |