Fig. 2From: Validity of FDG PET/CT in patients presenting with primary colonic symptomsA 76-year-old female. i CT colonography revealed 5-cm-long segment of concentrically thickened mid to distal sigmoid colon. ii FDG avid 5-cm-long segment of concentrically thickened mid to distal sigmoid colon. Pathologically proved sigmoid carcinoma with SUVmax 13.7. a Axial PET/CT. b Axial CT. c, d PETBack to article page