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list of gantry angle and nozzle extraction configurations
| Geometry | Gantry angle | Nozzle extraction | Nozzle-patient distance |
|---|---|---|---|
| I | 0° | 10 cm | ~9 cm |
| II | −30° | 10 cm | ~7 cm |
| III | −30° | 15 cm | ~1.5 cm |
| IV | −30° | 13 cm | ~3.5 cm |
| V | 30° | 15 cm | ~6.5 cm |
| VI | 30° | 20 cm | ~2 cm |
