Table 1. Characteristics of the Patients in the Study.

Patient No.	Gender	Age	Tumor site	Technique used for treatment	Prescription dose/fractionations	PTV[cm3]
1	F	31	Rt temporal lobe	IMRT	54 Gy/30	89.0
2	F	30	Temporal lobe	IMRT	54 Gy/30	145.1
3	M	63	Temporal lobe	IMRT	54 Gy/30	143.0
4	M	56	Lt temporal-parietal lobe	IMRT	59.4 Gy/33	450.4
5	F	41	Lt temporal-occipital lobe	IMRT	54 Gy/30	209.6
6	M	74	Occipital lobe	IMRT	60 Gy/30	371.7
7	F	19	Temporal-parietal lobe	VMAT	54 Gy/30	123.1
8	M	55	Rt frontal-parietal lobe	CRT	60 Gy/30	496.1
9	M	44	Lt frontal lobe	IMRT	60 Gy/30	99.2
10	M	47	Lt temporal-parietal-occipital lobe	IMRT	59.4 Gy/33	546.1
11	F	51	Lt temporal-parietal-occipital lobe	IMRT	59.4 Gy/33	463.5
12	F	74	Lt frontal lobe	IMRT	60 Gy/30	373.2
13	M	32	Lt Parietal lobe	VMAT	60 Gy/30	242.0
14	F	77	Frontal-temporal lobe	VMAT	54 Gy/30	120.3
15	F	65	Lt frontal-temporal lobe	IMRT	60 Gy/30	332.7
16	F	56	Lt temporal-parietal-occipital lobe	IMRT	60 Gy/30	401.7
17	F	69	Lt temporal lobe	IMRT	59.4 Gy/33	26.7
18	M	64	Rt temporal lobe	IMRT	60 Gy/30	130.5
19	F	45	Rt frontal lobe	IMRT	60 Gy/30	232.6
20	F	40	Lt frontal lobe	IMRT	54 Gy/27	65.2
21	F	75	Lt frontal lobe	IMRT	60 Gy/30	69.2
22	F	54	Lt frontal-parietal lobe	IMRT	54 Gy/27	189.2
23	M	58	Rt temporal-parietal lobe	IMRT	60 Gy/30	327.4
24	F	75	Rt temporal lobe	IMRT	60 Gy/30	224.7
25	F	66	Rt temporal-parietal-occipital lobe	IMRT	60 Gy/30	382.3
26	M	64	Rt temporal lobe	IMRT	60 Gy/30	130.5
27	F	72	Lt temporal-parietal-occipital lobe	IMRT	60 Gy/30	401.2
28	M	30	Rt frontal-temporal-occipital lobe	IMRT	50.4 Gy/28	569.5

The PTV was contoured by the initial simulation computed tomography (CT).

Abbreviations: IMRT = Intensity modulated radiotherapy; VMAT = Volumetric modulated radiotherapy; CRT = Conventional radiotherapy; PTV = Planning target volume