Summary of the volumes of metal implant and target and distance between target and metallic implant for six head and neck cancer patients.

Table 1: Summary of the volumes of metal implant and target and distance between target and metallic implant for six head and neck cancer patients.

	Patient 1	Patient 2	Patient 3	Patient 4	Patient 5		Patient 6
Metal Volume (cm³)	4.8	2.6	0.6	2.9	4.6		0.9
Target Volume (cm³)	160.80	82.46	85.09	55.08	66.77		63.40
Target Volume (cm³)	160.80	82.46	85.09	55.08	66.77		63.40
	121.50	60.13	49.41	37.45	51.77^*		45.65^*
	39.10	27.40^*	29.50^*	18.50^*	24.12^*		22.37^*
	16.90^*	17.78
Distance (cm)	4.81	4.63	12.65	4.07	6.66	6.16	4.25	3.94
	3.31	3.76	6.50	2.92	5.38	4.89	3.54	3.38
	2.03	1.87	4.29	2.11	4.37	3.74	2.85	2.07
	1.06		2.29	1.49	3.69	2.97

^*Specific target volume for each patient that is used for different distances between target and metal implant.