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NCP
| Question | Answer |
|---|---|
| Rationale | - Useful where transverse plane beams would enter/exit through an OAR - Offers an IMRT alternative for tricky beam arrangements - Lowers dose to NTT - Common for brain and lung |
| Beam arrangements | 3 field brain - RT lat 270 and RAO: couch 0 - Sup beam: couch 90 |
| Disadvantages | - Workflow interruptions - Increased chance of error - Collision risks |