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Frequency (%) of acute toxicity (Radiation Therapy Oncology Group acute radiation morbidity scoring criteria).
| Grade | |||||
|---|---|---|---|---|---|
| 0 | 1 | 2 | 3 | 4 | |
| Xerostomia | — | 285 (41.0%) | 368 (52.9%) | 42 (6.1%) | — |
| Skin reaction | — | 502 (72.3%) | 167 (24.0%) | 26 (3.7%) | — |
| Mucositis | — | 149 (21.4%) | 303 (43.6%) | 243 (35.0%) | — |
| Dysphagia | — | 284 (40.9%) | 338 (48.6%) | 73 (10.5%) | — |
