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Visualization of the overlap between FDG and HX4 high fraction (HF). A: Using the standard thresholds TBR>1.4 (HX4) and SUV>50%SUVmax (FDG), B: Using alternative thresholds TBR>1.3 (HX4) and SUV>40% of SUVmax (FDG), and C: Using the alternative thresholds TBR>1.5 (HX4) and SUV>60% of SUVmax (FDG).
