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Late toxic effects of radiotherapy
| Toxicity | Grade | ||||
|---|---|---|---|---|---|
| 0 (%) | 1 (%) | 2 (%) | 3 (%) | 4 (%) | |
| Xerostomia | 42 (7.9) | 365 (68.9) | 120 (22.64) | 3 (0.56) | 0 |
| Hearing loss | 506 (95.47) | 16 (3.02) | 6 (1.13) | 2 (0.38) | 0 |
| Brain injury | 495 (93.39) | 27 (5.1) | 5 (0.94) | 1 (0.19) | 2 (0.38) |
