A comparative study on the volume and localization of the internal gross target volume defined using the seroma and surgical clips based on 4DCT scan for external-beam partial breast irradiation after breast conserving surgery

Table 3 DI comparison of IGTVs delineated based on clips, seroma, both clips and seroma

	DI (IGTVc in IGTVs)	DI (IGTVs in IGTVc)	DI (IGTVc in IGTVc + s)	DI (IGTVc + s in IGTVc)	DI (IGTVs in IGTVc + s)	DI (IGTVc + s in IGTVs)
$\bar{x} \pm s$	0.53 ± 0.20	0.69 ± 0.19	0.88 ± 0.09	0.71 ± 0.18	0.93 ± 0.04	0.57 ± 0.19
t	-2.097		2.976		6.611
p	0.055		0.010		0.000

Abbreviations: DI (IGTVc in IGTVs) the degree of IGTVc included in IGTVs, DI (IGTVs in IGTVc) the degree of IGTVs included in IGTVc, DI (IGTVc in IGTVc + s) the degree of IGTVc included in IGTVc + s, DI (IGTVc + s in IGTVc) the degree of IGTVc + s included in IGTVc, DI (IGTVs in IGTVc + s) the degree of IGTVs included in IGTVc + s, DI (IGTVc + s in IGTVs) the degree of IGTVc + s included in IGTVs.

ISSN: 1748-717X