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A. Lung window image of transverse CT scan obtained at level of left atrium shows 27-mm-sized nodule with lobulated or spiculated margin (arrow) in left lower lobe (TDR = 28.99%). Additionally, note internal cavitation or bubble lucency within tumor. B. PET/CT image demonstrates scant 18F-FDG uptake (arrow) within tumor and with SUVmax of 3.0.
