Table 1.
Patients’ Characteristics
| Group M (n=35) | Group C (n=37) | |
|---|---|---|
| Age (years, mean ± SD) | 57.3 ± 9.0 | 56.2 ± 10.0 |
| BMI (kg/m2, mean ± SD) | 22.1 ± 3.5 | 22.0 ± 4.3 |
| Current/Experienced Smoker | 2/6 (5.7%/17.1%) | 1/7 (2.7%/18.9%) |
| Chemotherapy | 7 (20.0%) | 9 (24.3%) |
| Boost | 7 (20.0%) | 10 (27.0%) |
| RNI (Level I) | 2 (5.7%) | 1 (2.7%) |
| Deep Inspiration Breath Hold | 2 (5.7%) | 1 (2.7%) |
| CTV (cc, mean ± SD) | 449.3 ± 198.5 | 471.3 ± 292.7 |
| Source 4MV/6MV-Photon | 28 (80.0%)/7 (20.0%) | 28 (75.7%)/9 (24.3%) |
| V105 (cc, mean ± SD) | 11.65 ± 14.67 | 7.74 ± 12.24 |
| Dmax (cGy, mean ± SD) | 4502.9 ± 61.7 | 4500.0 ± 39.7 |
Abbreviations: BMI, body mass index; RNI, Regional Nodal Irradiation; CTV, clinical target volume; V105, breast volume receiving more than 105% of the prescribed dose; Dmax, maximum dose of irradiated breast.