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Table 3 Late toxic effects of radiotherapy

From: Intensity-modulated radiotherapy controls nasopharyngeal carcinoma distant metastasis and improves survival of patients

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)

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