Fig. 3. Whole body [18F] FDG PET/CT images of Case 2. (A, B) Diffuse [18F]FDG uptake is observed in both thyroid glands on [18F]FDG PET scan as an initial evaluation for lung cancer (arrows). A lung cancer lesion and mediastinal lymph node metastasis shows intense [18F]FDG uptake.
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