Dosimetric Comparison of Volumetric Modulated Arc Therapy, Static Field Intensity Modulated Radiation Therapy, and 3D Conformal Planning for the Treatment of a Right-Sided Reconstructed Chest Wall and Regional Nodal Case

Table 2

Dosimetric comparison between IMRT plans.

Structure	Parameter	IMRT_190°	IMRT_220°	IMRT_OAR	IMRT_11F_190°
PTV	D95 (%)	97.25	98.22	96.69	97.37
	V95 (%)	98.09	98.25	97.15	98.27
	HI	1.11	1.11	1.11	1.10
	CI	1.11	1.12	1.12	1.11
IMN	D95 (%)	95.62	95.26	93.09	95.52
	V95 (%)	96.97	95.99	84.73	97.72
Right lung	Mean(Gy)	15.83	16.3	14.89	16.37
	V40 (%)	8.38	8.52	7.79	8.55
	V30 (%)	13.27	13.52	12.15	13.45
	V25 (%)	16.87	17.1	15.62	17.1
	V20 (%)	22.33	24.77	20.51	23.05
	V13 (%)	43.91	43.01	39.72	46.75
	V10 (%)	59.53	63.83	53.06	61.65
	V5 (%)	91.87	95.09	88.36	98.54
Total lung	Mean(Gy)	11.29	11.56	10.76	11.79
	V40 (%)	5.31	5.4	4.94	5.41
	V30 (%)	8.4	8.59	7.68	8.5
	V25 (%)	10.73	10.81	9.92	10.83
	V20 (%)	14.13	15.71	12.96	14.69
	V13 (%)	27.85	27.43	25.1	29.75
	V10 (%)	37.75	40.55	34.02	38.97
	V5 (%)	66.39	67.3	63.99	71.85
Left lung	Mean(Gy)	3.46	3.36	3.63	3.87
	V10 (%)	0.53	0	1.28	0.63
	V5 (%)	22.56	19.08	23.11	25.82