Table 4.

Fraction of all target borders demonstrating border LE greater than 2 mm for both individual target registration (GTV_P or GTV_LN) and simultaneous target registration (collective or averaged), as defined by the Table III caption.

		Primary tumor registration			Lymph node registration
Registration	Short name	GTVP	Collective	Averaged	GTVLN	Collective	Averaged
Bony-anatomy	Bony	0.185	0.169	0.169	0.126	0.126	0.126
Standard NMI	Standard	0.152	0.169	0.133	0.082	0.140	0.106
Seeded NMI	Seeded	0.132	0.143	0.109	0.072	0.157	0.111
Intermediate transitive-based	Intermediate-TB	0.124	0.145	0.111	0.080	0.171	0.099
Consecutive transitive-based	Consecutive-TB	0.128	0.147	0.123	0.063	0.135	0.111
Intermediate rereferenced	Intermediate-RR	0.124	0.147	0.106	0.068	0.157	0.114
Consecutive rereferenced	Consecutive-RR	0.140	0.152	0.114	0.070	0.162	0.126
Nominal border alignment	Border	0.077	0.116	0.116	0.010	0.099	0.099

Note: GTV_P: primary gross tumor volume; GTV_LN: lymph node gross tumor volume; NMI: normalized mutual information algorithm.