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Definition of field labeling for isocenter congruency tests
| Definition of Fields | |||||
|---|---|---|---|---|---|
| Gantry Angle (°) | Table Angle (°) | ||||
| 0 | 45 | 90 | 270 | 315 | |
| 0 | Field 1 | Field 2 | Field 3 | Field 4 | Field 5 |
| 90 | Field 6 | ||||
| 180 | Field 7 | Field 8 | Field 9 | Field 10 | Field 11 |
| 270 | Field 12 | ||||
