Colorectal carcinoma (rectosigmoid)
Haematochezia with colonoscopy revealing a rectosigmoid growth.
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Approximately 15cm proximal to the anal verge is a non circumferential transmural thickening of rectosigmoid with transerosal spread. Two pelvic deposits, one on either side of afflicted colon is seen with loss of fat planes with both adnexae. Mild pericolonic free fluid.
A 20 mm hypodense lesion is seen in segment V of liver.
Example of colorectal primary neoplasm that has spread across the full thickness of the wall, growing deposits in the mesentery, engulfing both adnexae. The portal spread is identified in the form of a right hepatic deposit.