Fig. 2From: Exclusion of emphysematous lung from dose-volume estimates of risk improves prediction of radiation pneumonitisSpearman rank correlations between the LAV in inspiratory CT and the LAV in CT under free breathing in 33 patients. There was a significant relationship between these two measurements (LAV in CT under free breathing = 0.97 × LAV in inspiratory CT + 322.5, r = 0.839, P < .0001)Back to article page