Table 1.

Study population characteristics.

Patient Number	Gender	Age	Original Neoplasm	Primary Metastatic	Naïve Recurrency	Lesion Volume (mm3)	Lesion Site	Critical Structure Involved	Minimal Distance (mm)
Patient 1	F	68	Breast	Metastasis	Naive	360	Lung	ICV	11
Patient 2	F	60	Lung	Primary	Recurrence	4326	Lung	Aorta	2
Patient 2	F	58	Lung	Primary	Recurrence	1608	Lung	Aorta	2
Patient 3	M	72	Lung	Primary	Naive	44,871	Lung	Pulmonary trunk	1
Patient 4	F	35	Breast	Metastasis	Naive	2433	Chest wall	Heart	1
Patient 5	F	77	Lung	Primary	Naive	15,142	Lung	Thoracic wall	0
Patient 6	F	86	Lung	Primary	Naive	5803	Lung	Thoracic wall	0
Patient 7	F	53	Melanoma	Metastasis	Naive	14,601	Chest wall	ICV	2
Patient 8	M	82	Lung	Primary	Naive	6697	Lung	Pulmonary vein	8
Patient 9	M	66	Lung	Primary	Recurrence	1608	Lung	Azygos vein	4
Patient 10	M	78	Carcinoid	Primary	Naive	1485	Lung	Aorta	0
Patient 11	M	49	Colon	Metastasis	Naive	44,012	Lung	Pulmonary trunk	1
Patient 12	F	63	Breast	Metastasis	Naive	5489	Chest wall	Heart	0
Patient 13	F	46	Adrenal gland	Metastasis	Naive	3706	Lung	Heart	0
Patient 14	M	52	Liposarcoma	Metastasis	Naive	131	Lung	Aorta	1
Patient 15	M	81	Colon	Metastasis	Naive	6323	Lung	Pulmonary vein	7
Patient 16	F	50	Timoma	Primary	Recurrence	3161	Pleura	Left pulmonary vein	0
Patient 16	F	52	Timoma	Primary	Recurrence	599	Lung	Spleen	7
Patient 16	F	52	Timoma	Primary	Recurrence	7003	Pleura	Left kidney	1
Patient 16	F	52	Timoma	Primary	Recurrence	15,275	Pleura	Left kidney	1
Patient 17	F	65	Lung	Primary	Naive	3683	Lung	Aorta	1
Patient 18	M	72	Rectal	Metastasis	Naive	5674	Lung	Heart	1
Patient 19	M	71	Lung	Primary	Naive	2995	Lung	Esophagus	2
Patient 20	M	72	Lung	Primary	Naive	1580	Lung	Pulmonary lobar artery	8

min, minutes; M, male; F, female; ICV, inferior cava vein.