Table 6.

Variation of serum cytokine levels before and after radiotherapy (mean ± SEM)

	Before RT (pg/mL)	After RT (pg/mL)	P value
IL-1	6.77 ± 1.18	9.13 ± 1.51	0.229
IL-6	31.63 ± 7.34	29.54 ± 6.60	0.794
IL-8	115.75 ± 19.84	159.73 ± 38.96	0.211
IL-10	4.19 ± 0.41	5.83 ± 0.46	0.002
IL-12	6.10 ± 1.01	4.10 ± 0.59	0.018
TNF-α	4.27 ± 0.79	3.33 ± 0.40	0.130

IL: Interleukin; TNF: Tumor necrosis factor; RT: Radiotherapy.