Fig. 2From: Optimisation of the air fraction correction for lung PET/CT: addressing resolution mismatchAxial slices through the modified XCAT depicting the six VOIs investigated in blue; top row shows VOIs in healthy lung and bottom row VOIs in fibrotic lung a \(VOI1_{HL}\); b \(VOI2_{HL}\); c \(VOI3_{HL}\) d \(VOI4_{IPF}\); e \(VOI5_{IPF}\); f \(VOI6_{IPF}\)Back to article page