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Mean dose to the targeted structures/organs
| Structure/organs |
Mean dose (Gy) |
P value1 | |
| CRT | IMRT | ||
| PTV | 50.1 ± 2.8 | 51.5 ± 2.7 | 0.00015 |
| Right kidney | 10.6 ± 4.4 | 8.6 ± 2.4 | 0.032 |
| Left kidney | 8.1 ± 3.4 | 9.4 ± 4.6 | NS |
| Liver | 22.4 ± 3.9 | 21.0 ± 2.9 | 0.027 |
Two-tailed paired t test. Values are expressed as mean ± SD. CRT: Three dimensional conformal radiation therapy; IMRT: Intensity-modulated radiation therapy; PTV: Planning tumor volume; NS: Not significant (P > 0.05).
