Pathology
Gross pathology
Low power H&E
High power H&E
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 tumour glands lined by malignant columnar epithelium with intraluminal karyorrhectic debris.