Metastatic colorectal adenocarcinoma (pathology)
Presents with solitary liver mass in segment 3, 9 months after a sigmoid colectomy for colonic adenocarcinoma (T3 N0 Mx)
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Macroscopic appearance of solitary colorectal metastasis (blue ink is surgical margin).
Low power histology of metastasis and adjacent liver parenchyma (bottom right of picture), separated by a band of dense fibrous tissue.
High power of adenocarcinoma show irregular tumor glands lined by malignant columnar epithelium with intraluminal karyorrhectic debris.