Fig. 1From: Multiparametric quantitative and texture 18F-FDG PET/CT analysis for primary malignant tumour grade differentiationDifferent volumes of interest on PET images of a primary lung adenocarcinoma, produced by different segmentation techniques (presented with different colours), resulting in different values of semiquantitative metabolic parameters. MTV Metabolic tumour volume, PET Positron emission tomography, TLG Total lesion glycolysis, SUVmean Mean standardised uptake valueBack to article page