Fig. 1From: Risk of radiation-induced pneumonitis after helical and static-port tomotherapy in lung cancer patients and experimental ratsPlasma levels of a IL-1α and b IL-1β according to the experimental rat groups. There were significant differences among the groups at 3 weeks after tomotherapy or CCRT. * p <0.05; NS, not significant; IL, interleukin; CCRT, concurrent chemoradiotherapyBack to article page