Incidental finding on staging CT for anal cancer.
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There is soft tissue mass at the anus and distal rectum, only partially imaged. The majority of the bulk of anal tumor seen on the previous PET study has not been imaged. There is regional lymph node enlargement, with perirectal lymphadenopathy identified.
The gallbladder, spleen, pancreas and adrenal glands are normal. Prominent renal collecting system bilaterally with several parapelvic cysts, stable. The ureters are normal caliber. The bowel demonstrates uncomplicated colonic diverticular disease.
Note is made of the vermiform appendix coursing into the right inguinal canal ('Amyand Hernia')