Fig. 6
A 70-year-old male patient with a history of surgically resected sigmoid cancer followed by chemotherapy, presented by elevated CEA and referred for PET/CT assessment. a Axial CT, b axial PET, and c axial PET/CT showing the following: ill-defined metabolically active soft tissue lesion at the left side of the pelvis related to the recto-sigmoid anastomotic site measuring 29 × 19 mm (a, b) and achieving 6.70 SUVmax (c)