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Comparison between the dosimetric parameters of the heart in patients with left breast cancer.
| Heart | ||||
|---|---|---|---|---|
|
|
||||
| Variables | V30, % | V40, % | V50, % | Dmean, cGy |
| CR | 10.06±1.7 | 4.13±1.0 | 1.3±0.5 | 598.4±118.2 |
| IMRT | 5.3±1.4 | 1.9±0.5 | 0.0±0.0 | 348.3±91.6 |
| P-value | 0.046 | 0.095 | 0.076 | 0.004 |
Dmean, mean dose; CR, conventional radiotherapy; IMRT, intensity-modulated radiotherapy. Vn the volume of the lung when the patient received a dose of nGy of radiation.
