Figure 3-1. (A) Whole body 18F-FDG PET images of a patient with metastatic carcinoma of the esophagogastric junction show an area of increased uptake at the right paratracheal region (arrow). (B) Follow-up PET images obtained 3 months later show progression of the disease with increased FDG uptake at multiple supra-clavicular lymph nodes, axillary lymph nodes (arrows), and hilar lymph nodes (arrowhead). Also note hydronephrosis of the left ureter due to pelvic metastasis.
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