Rapidly aggravated skeletal muscle metastases from an intrahepatic cholangiocarcinoma

Figure 2 Histopatholgic findings. A and C: Liver shows a poorly differentiated cholangiocarcinoma. (hematoxylin and eosin, x 40, x 400); B: Skeletal muscle tissue shows metastasis of a poorly differentiated cholangiocarcinoma (hematoxylin and eosin, x 40); D and E: Neoplastic glands were positive in cytokeratin 7 and cytokeratin 19 staining (immunostain, x 400).