Table 2 Comparison between the planned doses and the EPID-based doses for the treatment plans in the case of the patient body overridden to water
Head & neck (6 MV) | Lung (6 MV) | Lung (10 MV) | Prostate (10 MV) | |||||
|---|---|---|---|---|---|---|---|---|
Diff mean dose (%) | Diff max dose (%) | Diff mean dose (%) | Diff max dose (%) | Diff mean dose (%) | Diff max dose (%) | Diff mean dose (%) | Diff max dose (%) | |
GTV | 0.03 | 1.97 | 1.16 | 0.56 | 0.53 | 0.56 | 0.64 | 0.56 |
CTV | -0.28 | 1.98 | 0.34 | -1.49 | -0.2 | -0.82 | 0.65 | 0.66 |
PTV | -0.52 | 0.82 | -0.27 | -1.49 | -0.55 | -0.82 | -0.19 | 1.41 |
Brain stem | -0.61 | -2.30 | ||||||
Parotid | 2.08 | 3.09 | ||||||
Spinal cord | -0.67 | -0.72 | -1.13 | -1.68 | -1.89 | -1.18 | ||
Both lungs | -0.86 | 0.03 | -1.13 | 0.14 | ||||
Heart | -1.36 | -0.52 | -1.46 | -0.73 | ||||
Bladder | 0.64 | 2.48 | ||||||
Rectum | 2.61 | 2.75 | ||||||
Colon | -0.34 | 0.86 | ||||||