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Figure 4. Diagnosis of lung adenocarcinoma in August 2017. The coronally formatted CT image (A) shows a well-circumscribed, mass-like lesion in the right upper lobe (arrow) that measures 2.8 cm × 2.4 cm; The image from a subsequent PET/CT (B) shows: hypermetabolism in the right upper lobe lesion (arrow) confirming malignancy; lack of metabolic activity in the previously treated segment 8 liver lesion (arrowhead) and; changes of cystectomy and right lower quadrant ileal conduit with excreted radiotracer (dashed arrows); H&E stain (400x) of tissue from the lung mass obtained by core needle biopsy (C) show lung mucinous adenocarcinoma displaying marked cellular pleomorphism with abundant mucin production