Table 3. Positive cells expression of TGF-β1 results.

Group	Time after radiation (Day)
	7	14	21	28
cVBOL+RT Group	27.2 ± 0.86†***	30.6 ± 1.63†**	38.4 ± 1.08†††*	42.8 ± 1.43††***
EM+RT Group	26.8 ± 1.24†**	31.8 ± 1.07††***	39.4 ± 1.50††***	43.4 ± 0.93†††***
RT Group	33.0 ± 1.30***	42.8 ± 1.39***	53.0 ± 1.30***	57.8 ± 1.63***
Normal Group	18.0 ± 0.95	19.4 ± 1.21	22.2 ± 0.97	22.8 ± 0.73

vs. RT group: ^†P<0.05, ^††P<0.001,^†††P<0.0001, vs Normal group: *P<0.05, **P<0.001, ***P<0.0001.