Figure 5. Upper panel: FDG-PET showing low-grade FDG uptake with a few tiny foci of relatively intense uptake interspersed within. The SUVmax calculated by drawing the ROI over the three most prominent foci were 3.8, 3 and 2.6. Lower panel: delayed limited PET (obtained at 2.5 h after injection of FDG) of the abdomen demonstrating the foci to be more prominent; the SUVmax values being 4 (increase of 6.93%), 3.6 (increase of 19.80%) and 3.3 (increase of 25.85%), respectively.