ABSTRACT A 42-year-old woman diagnosed with de-novo stage IV breast cancer underwent 18F-fluoroestradiol (FES) PET/CT to evaluate the estrogen receptor status of metastatic lesions. The largest pulmonary nodule showed obvious… Click to show full abstract
ABSTRACT A 42-year-old woman diagnosed with de-novo stage IV breast cancer underwent 18F-fluoroestradiol (FES) PET/CT to evaluate the estrogen receptor status of metastatic lesions. The largest pulmonary nodule showed obvious FES uptake, consistent with pulmonary metastases from breast cancer. Interestingly, the images revealed a striking accumulation of FES in ground-glass attenuation in the left lobe of lung, suggestive of radiation pneumonitis.
               
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