Table 2.

Specific toxicity attributed to current proton treatment. N represents the number of distinct patients for which there is follow-up at each time point. The values in the table are the number of patients that had a radiation attributed side effect of grade 1 or higher at the given time (posttreatment, 3 months, 6 months, 12 months).

Toxicity	No. of patients with toxicity attributed to proton treatment
	Posttreatment (n = 11)			3 month (n = 11)			6 month (n = 6)			12 month (n = 5)
	Grade 1	Grade 2	Grade 3	Grade 1	Grade 2	Grade 3	Grade 1	Grade 2	Grade 3	Grade 1	Grade 2	Grade 3
Dermatitis radiation	1	3	7	4						1
Dry mouth	1	4		7	2		4			3
Dysgeusia		2		3	1		2			2
Fatigue	2	7		3	6			3		1
Mucosal infection		3
Mucositis oral	1	3		1		1
Oral pain	1	3		1	1	2	1				1
Pain of skin	3	3			1
Pharyngolaryngeal pain		4			1	1					1
Salivary duct inflammation	1	3		4	1		1				1
Trismus	1	1		4			1	1		1
Weight loss	3	2		2	3	2	1	1				1
Grand total	6	11	7	10	7	3	4	3		4	2	1