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Figure 4 | BMC Cancer

Figure 4

From: Abnormal expression and processing of the proprotein convertases PC1 and PC2 in human colorectal liver metastases

Figure 4

Immunohistochemistry for PC1 in normal and unaffected liver compared to colorectal (CRC) liver metastases. A. Light microscopy immunohistochemistry of normal liver (N), using 100 × magnification. Arrowheads indicate the scarcely positively stained hepatic cells. B. Light microscopy PC1 immunohistochemistry of liver metastasis (T) and adjacent unaffected parenchyma (U), using 20 × magnification. Arrowheads indicate positively stained tumor cells. C. Light microscopy PC1 immunohistochemistry of liver metastasis (T) using 400 × magnification. Arrowheads indicate positively stained tumor cells.

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