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Figure 1. Liver metastases from sigmoid colon cancer in a 60-year-old man. (a) Unenhanced CT shows a peripherally located low density mass (T) and a low density area along the portal tract (arrowheads). (b)Enhanced CT shows enhancement of the peripheral tumour (T) and a thickened portal tract connected with the tumour as a high density area (arrowheads). (c) Photograph of the resected specimen shows a metastatic tumour located in segment V (Couinaud's nomenclature) and tumour growth in the bile duct (arrows) extending 31 mm from the tumour toward the right hepatic duct.
