Fig. 4From: Image quality assessment along the one metre axial field-of-view of the total-body Biograph Vision Quadra PET/CT system for 18F-FDGAxial variation of the lung residual error [%] including an example of a filtered data set (120 s with 3 mm FWHM Gaussian filter). The mean and SD of the lung residual error are given in the legend of the respective plotsBack to article page