FIGURE 5.  (A–C) Coronal and sagittal ¹⁸F-FDG PET (A and B) and sagittal PET/CT (C) images of 67-y-old man previously treated for rectosigmoid cancer show focal hot spot along sigmoid colon that mimics local recurrence (arrows). (D) Postdiuretic coronal PET image shows disappearance of this factitious hot spot, suggesting urinary origin. (E) Correlative intravenous urography reveals medially displaced left ureterovesical junction after recent reimplantation surgery of left ureter (arrowheads).