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Variations of anatomic changes in both the shape and volume of each structure by the translational deviation of the structure's center along the left/right (L/R), anterior/posterior (A/P) and superior/inferior (S/I) direction, respectively.
| L/R shift (mm) | A/P shift (mm) | S/I shift (mm) | ||||
|---|---|---|---|---|---|---|
| Median | Max | Median | Max | Median | Max | |
| GTV | 1.4 | 9.4 | 1.6 | 5.8 | 1.4 | 14.8 |
| CTV | 1.4 | 8.5 | 1.6 | 5.6 | 1.3 | 14.4 |
| Lt parotid | 1.3 | 8.3 | 1.7 | 6.2 | 1.4 | 9.9 |
| Rt parotid | 1.2 | 7.3 | 1.7 | 7.9 | 1.6 | 10.1 |
| Oral cavity | 0.8 | 6.4 | 1.5 | 8.5 | 1.8 | 11.3 |
