A short annular constricting lesion of mid-segment of the ascending colon causing obliteration of the lumen and is obstructing the upstream ascending colon, cecum, and small bowel. There is surrounding fat stranding with multiple regional enlarged lymph nodes. If this lesion were seen on barium enema, it would have an apple core appearance.
The liver is average in size and density with a hypodense band of density ~ 35 HU seen in the intrahepatic fissure posteriorly (ligamentum venosum).No definite suspicious focal lesions or dilated intrahepatic biliary radicles seen.
Unremarkable CT features of gallbladder, CBD, portal vein, pancreas, spleen, adrenals, kidneys and urinary bladder.