Toxicity

3D CRT (%)

VMAT (%)

p-value*

Acute

Oral Mucositis

5 (20.8%)

10 (41.6%)

p = 0.14

Facial radioepithelitis

5 (20.8%)

6 (25%)

p = 0.03

Chronic

Craniofacial hypoplasia

2 (8.3%)

0 (0%)

p = 0.001

Xerophthalmia

0 (0%)

2 (8.3%)

p = 0.002