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Table 3 Late toxicities of proton beam therapy

From: High-dose proton beam therapy for sinonasal mucosal malignant melanoma

Type

Grade

Number (%)

Nasal congestion

1

6

Epistaxis

1-2

3

Watering eyes

1-2

8

Osteonecrosis

2

5

Optic nerve disorder

4

3

Middle ear inflammation

2

7