Determination of patient-specific internal gross tumor volumes for lung cancer using four-dimensional computed tomography

Table 1 SI motion and IGTVs based on the test volumes (IGTV_MIP, IGTV_2Phases, and IGTV_MIP-Modified) and the reference volume (IGTV_AllPhases) for stage I tumors

Patient No	SI Motion (cm)	IGTV_MIP (cm³)	IGTV_MIP-Modified (cm³)	IGTV_AllPhases (cm³)	IGTV_2Phases (cm³)
1	1.06	5.82	7.98	8.32	6.56
2	1.37	8.53	10.51	9.98	7.49
3	1.70	12.88	15.85	16.54	13.23
4	1.08	4.92	5.49	5.44	3.72
5	0.15	1.64	1.79	1.80	1.46
6	2.17	17.64	22.16	23.39	18.98
7	1.27	23.08	26.06	26.28	21.77
8	0.54	12.45	15.73	15.76	12.82
9	0.18	21.80	24.50	24.96	20.92
10	0.00	60.04	66.90	67.75	63.67
11	0.41	2.46	2.80	2.85	2.27
12	1.77	32.90	37.65	39.39	33.14
13	0.14	2.08	2.27	2.23	1.84
14	0.10	1.53	1.90	1.93	1.74
15	1.62	18.59	21.26	21.69	16.66
16	0.66	10.70	11.31	10.60	7.77
17	0.09	3.35	3.45	3.33	2.70

ISSN: 1748-717X