Spontaneous Complete Regression of Colon Cancer Liver Metastases in a Lung Transplant Patient: A Case Report

Figure 3

Histopathology of primary tumor and liver metastases. H&E staining of liver and colon sections (a–c). Liver biopsy sections with an asterisk showing colorectal metastasis and a circle showing preexistent liver tissue (a), liver obduction sections with a square showing necrosis and a triangle showing fibrosis (b), and colon carcinoma obduction sections with an asterisk showing colon tumor tissue (c). CD3+ staining of liver and colon sections (d–f). Liver biopsy sections, liver obduction sections, and colon obduction sections all show a sparse lymphocytic T-cell infiltrate. Magnification of (a), (b), (d), and (e) is 25x and (c) and (f) is 20x.