Fig. 6From: A case of rapidly progressing sarcomatous intrahepatic cholangiocarcinoma with suddenly appearing lymph node metastasisImmunohistochemical examination of liver tumor. Positive findings of cytokeratin-7 (CK7, a), CK19 (b), CA19-9 (c), and negative findings of CK20 (d), alfa-fetoprotein (AFP, e), carcinoembryonic antigen (CEA, f) are shown. (magnification:100×)Back to article page