Fig. 6From: The occurrence and development of radiation-induced lung injury after interstitial brachytherapy and stereotactic radiotherapy in SD ratsThe concentration changes of inflammatory cytokines, antifibrotic cytokines and profibrotic cytokines in rat serum were detected by ELISA. The serum IFN-γ (a), IL-2 (b), IL-6 (c), IL-10 (d) and TGF-β (e) expressions (pg/ml) in each group were measured by ELISA every 4 weeks. *P < 0.05, **P < 0.01, *** P < 0.001Back to article page