Table 1.

Patient characteristics.

Characteristics	Number
Age (years)	5-20 (range) 10 (median)
Gender
Male	28
Female	21
Irradiated Site
Brain	27
Head and Neck	2
Chest	7
Abdomen	6
Pelvis	6
Limbs	1
Radiotherapy Technique
Proton	43
Proton and Photon	4
Photon	2