Table I.

General information of nine lung cancer patients.

	Gender	Age	Treatment Site	PTV (cm3)
Patient 1	Male	92	Rt upper lobe	50.8
Patient 2	Male	74	Rt lower lobe	184.5
Patient 3	Male	67	Rt upper lobe	657.6
Patient 4	Female	77	Lt upper & lower lobes	125.1
Patient 5	Female	71	Rt hilum	129.4
Patient 6	Male	77	Rt upper lobe	391.7
Patient 7	Male	67	Lt upper & right upper lobes	699.2
Patient 8	Female	85	Rt upper lobe	235.1
Patient 9	N/A	N/A	Rt upper lobe	50.9