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Number of Patients Experiencing AEs by Maximum Grade (Grade 2 or Higher) by Effective Treatment Arm
| Grade | IMRT | PT |
|---|---|---|
| 4 | 2 | 1 |
| 3 | 4 | 1 |
| 2 | 14 | 4 |
| Total no. patients with AEs | 20 | 6 |
| Total treated | 41 | 26 |
Abbreviations: AE, adverse events; IMRT, intensity-modulated radiotherapy; PT, proton radiotherapy.
