Table 1. Lung nodule counts.

Group	Nodule count	P value < 0.05	P value < 0.05
	(mean + SEM)	(compared to untreated group)	(compared to DC+TL+ TRF)
Normal mice group	0.0000	0.000*	1.000
Untreated group	31.0 ± 1.73	1.000	0.000*
Vehicle group	22.5 ± 1.44	0.000*	0.000*
DC alone group	8.0 ± 0.577	0.000*	0.001*
DC+TL group	2.0 ± 1.15	0.000*	0.849
DC+TL+TRF group	0.25 ± 0.25	0.000*	1.000

^* Significant different (p< 0.05)