RapidArc, SmartArc and TomoHD compared with classical step and shoot and sliding window intensity modulated radiotherapy in an oropharyngeal cancer treatment plan comparison

Table 1 Patient characteristics

Patient	Location	ICD-O 10	Classification TNM/AJCC VI	Stage	LN + level	PTV_therapeuticvolume (cm³)	PTV_totalvolume (cm³)
1	Base of tongue R	C01	T1N2aM0	IV A	2 & 3 R	104	483
2	Tonsil R	C09	T2N2cM0	IV A	2 bilat & 3 R	233	610
3	Tonsil L	C09	T3N2cM0	IV A	bilat 1,2,3,4	380	955
4	Base of tongue R	C01	T3N2cM0	IV A	1b R & 2 bilat	422	831
5	Tonsil L	C09	T2N1M0	III	2 L	146	563
average						257	688

Bilat = bilateral; LN + = positive lymph node; R = right; L = left; PTV_total = PTV_therapeutic and PTV_prophylactic together; PTV volumes reported in this table are calculated by the Pinnacle treatment planning system.

ISSN: 1748-717X