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Delineated tumor volumes of interest in uPAR PET/CT with 68Ga-NOTA-AE105 and 18F-FDG-PET/CT in two cases with discordant tracer uptake. High 68Ga-uPAR/low 18F-FDG uptake (A) and low 68Ga-uPAR/high 18F-FDG uptake (B). Both cases present with stage 3 oropharyngeal cancer (T3N0M0). High and low refers to above or below the established cutoffs.
