case_images: PMC3895048_01
case_images: A colonoscopic image demonstrating ~1-cm polypoid mass at the ano-rectal junction.
case_images: rjt12001.jpg
case_images: PMC3895048_01_rjt12001.jpg
case_images: RJT120F1
case_images: Colonoscopy revealed a 1-cm firm polypoid mass at the ano-rectal junction (Fig. 1).
case_images: The 10 x 15 cm pre-sacral pelvic mass on sagittal contrast CT.
case_images: rjt12002.jpg
case_images: PMC3895048_01_rjt12002.jpg
case_images: RJT120F2
case_images: This revealed a 10 x 15 cm homogenous mass arising from within the pelvis (Fig. 2).
case_images: Image of the pelvic mass with the sigmoid reflected.
case_images: rjt12003.jpg
case_images: PMC3895048_01_rjt12003.jpg
case_images: RJT120F3
case_images: The sigmoid colon was subsequently divided ~15 cm above the peritoneal reflection and retracted anteriorly to allow access to the tumour (Fig. 3). 