Table 2. Patient characteristics at re-treatment.
| Pt | Age (years) | Time to retreatment (months) | Surgery | Tumour Size (cm) | ER | LN status | Total dose WBRT (Gy) EQD2 α/β = 3 |
Total dose WBRT (cGy) EQD2 α/β = 10 |
|---|---|---|---|---|---|---|---|---|
| 1 | 69 | 86 | No | Unknown | (−) | Unknown | 122.0 | 115.0 |
| 2* | 70 | 26 | LE | 1.0 | (−) | (+) | 122.0 | 115.0 |
| 3 | 71 | 277 | MRM | 4.0 | (+) | (−) | 125.0 | 122.1 |
| 4 | 62 | 8 | No | 2.0 | Unknown | Unknown | 93.5 | 92.0 |
| 5 | 84 | 250 | BCS | 3.8 | (+) | Unknown | Unknown | Unknown |
| 6 | 55 | 20 | LE | 15.0 | Unknown | Unknown | 122.0 | 112.6 |
| 7 | 80 | 55 | No | 1.5 | Unknown | Unknown | 116.0 | 116.0 |
| 8 | 49 | 16 | No | 17.0 | (+) | Unknown | 90.7 | 94.1 |
| 9 | 71 | 181 | BCS | 1.3 | (+) | Unknown | Unknown | Unknown |
| 10 | 65 | 136 | No | 7.4 | (+) | (+) | 120.0 | 120.0 |
| 11 | 57 | 138 | No | Unknown | (+) | Unknown | 127.6 | 120.3 |
| 12 | 50 | 163 | Unknown | 7.5 | Unknown | Unknown | 93.2 | 89.0 |
| 13 | 72 | 138 | LE | 5.0 | (+) | Unknown | 83.0 | 75.4 |
| 14 | 54 | 49 | MRM | 4.4 | (+) | (−) | 124.1 | 120.8 |
| 15 | 84 | 118 | LE | 0.6 | (+) | Unknown | 110.0 | 110.0 |
| 16 | 44 | 35 | No | 8.5 | Unknown | Unknown | 121.8 | 117.8 |
| 17 | 51 | 49 | No | 1.2 | Unknown | (+) | 93.2 | 94.2 |
| 18 | 43 | 41 | No | Unknown | (+) | (+) | 102.0 | 98.5 |
| 19 | 64 | 69 | MRM | 1.3 | (−) | (−) | 116.0 | 116.0 |
| 20 | 67 | 29 | LE | 1.3 | Unknown | (+) | 122.7 | 124.6 |
| 21 | 68 | 67 | MRM | 2.0 | (+) | (+) | 98.1 | 94.8 |
| 22 | 81 | 33 | No | 3.5 | Unknown | (−) | 122.8 | 110.7 |
| 23 | 89 | 76 | No | 2.0 | (−) | (+) | 114.1 | 110.8 |
| 24 | 44 | 10 | No | 8.0 | Unknown | (+) | 117.5 | 104.4 |
| 25 | 59 | 30 | No | 3.5 | Unknown | Unknown | 118.1 | 114.8 |
| 26 | 34 | 17 | BCS | 1.5 | (−) | (−) | 116.0 | 116.0 |
| 27 | 43 | 33 | No | 1.1 | (+) | (+) | 132.8 | 132.4 |
| 28 | 58 | 25 | No | Unknown | (−) | (+) | 109.2 | 110.3 |
| 29 | 36 | 21 | No | 2.1 | (−) | Unknown | 109.9 | 109.9 |
| 30 | 82 | 27 | No | 10.0 | (−) | Unknown | 106.0 | 96.7 |
| 31 | 73 | 157 | Unknown | 4.3 | (+) | (+) | 127.8 | 123.8 |
| 32 | 30 | 29 | LE | Unknown | (+) | Unknown | 116.0 | 116.0 |
| 33 | 51 | 21 | LE | 3.0 | (−) | Unknown | 110.9 | 113.5 |
| 34 | 65 | 149 | No | Unknown | (−) | (+) | 116.0 | 114.3 |
| 35 | 55 | 6 | No | Unknown | Unknown | Unknown | 126.0 | 116.7 |
| 36 | 67 | 95 | No | Unknown | (+) | Unknown | 114.0 | 116.0 |
| 37* | 69 | 12 | No | Unknown | Unknown | (+) | 83.4 | 87.3 |
| 38 | 48 | 14 | No | Unknown | (−) | Unknown | 132.0 | 132.0 |
| 39 | 45 | 8 | No | 22.0 | (+) | Unknown | 105.9 | 111.2 |
| 40 | 66 | 24 | No | 6.0 | Unknown | Unknown | 105.9 | 111.2 |
| 41 | 60 | 12 | BCS | 1.0 | Unknown | Unknown | 117.8 | 104.5 |
| 42 | 64 | 212 | No | 6.5 | (+) | Unknown | 131.8 | 107.4 |
| 43 | 49 | 218 | BCS | 0.5 | (+) | (−) | Unknown | Unknown |
| 44 | 63 | 3 | No | 12.0 | Unknown | Unknown | 76.4* | 54.0* |
| 45 | 56 | 154 | No | 10.6 | (+) | Unknown | Unknown | Unknown |
| 46 | 48 | 107 | MRM | 21.0 | (+) | Unknown | 132.0 | 132.0 |
| 47 | 54 | 371 | No | 15.0 | (−) | Unknown | 131.9 | 137.2 |
| 48 | 61 | 12 | No | Unknown | Unknown | Unknown | 116.1 | 114.8 |
| 49 | 41 | 48 | LE | 1.0 | (+) | Unknown | Unknown | Unknown |
BCS: breast conserving surgery, ER: Estrogen receptor, LE: local excision, MRM modified radical mastectomy, WBRT: whole breast radiotherapy.
*
Patient 44 suspended radiotherapy after 6 Gy had recurrence and then full dose re-irradiation. * Patient 2 corresponds to contralateral re-irradiation of patient 1, Patient 37 corresponds to contralateral re-irradition of patient 36