TABLE 3.

Number of acute and late adverse events

	Grade
	0	1	2	3	4	5
Acute phase
Dermatitis	20	14	0	0	0	0
Mucositis	15	11	7	1	0	0
Late phase
Injury of the brain stem	32	2	0	0	0	0
Brain injury	17	14	3	0	0	0
Mucositis	32	0	0	1	0	1
Bone fracture	34	0	0	0	0	0
Optic nerve injury	32	0	0	0	2	0
Hearing impairment	30	0	4	0	0	0
Hypoglossal nerve disorder	33	1	0	0	0	0
Hypopituitarism	33	0	1	0	0	0