Figure 5. A 74-year-old male with a history of colorectal cancer: (a) a coronal PET image showing focal FDG uptake in a right anterior para-aortic lymph node, (b) the transaxial CT image (upper) and fused PET/CT image (lower) taken at the level indicated by the line in (a), and (c) the fused PET/CT image corresponding to the PET image in (a). The patient was also found to have a lesion in the liver as shown in (d) the coronal PET image, (e) the CT image (upper) and fused PET/CT image (lower) taken at the level indicated by the line in (d), and (f) the fused PET/CT image corresponding to the PET image in (d).