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FIGURE 1. Coronal PET/CT images of 73-y-old woman with recently diagnosed cancer in right lung. (A) Images show large 18F-FDG-avid mass in right lung (arrow), consistent with patient’s known lung cancer. Biopsy revealed small cell lung cancer. (B) Anterior slices from same PET/CT study showed 18F-FDG-avid nodule in left breast (arrow), highly suggestive of malignancy. Pathology revealed infiltrating ductal carcinoma. Thus, this case was true-positive for an additional primary malignancy.
