| Characteristic | N patients | |
| Age | 28 - 80 (median 56) | 300 |
| Surgery QUAD LAD LNS | 100% 60% 40% | 300 180 120 |
| Hystologic type Ductal Lobular Others | 82% 5% 13% | 246 15 39 |
| Chemiotherapy Yes No | 47% 53% | 141 159 |
| Breast Volume >500 cc ≤500 cc | 75% 25% | 225 75 |
| Breast(max dose) ≤107% >107% <110% ≥110% | 20% 64% 16% | 60 192 48 |
| Phototype I II III IV | 0% 73% 27% 0% | 0 219 81 0 |
| Skin hydration dry skin normal skin sensible skin | 56% 10% 34% | 168 30 102 |