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Background and Objectives
Frequently aberrant expression of cytokeratin 7 (CK7) and cytokeratin 19 (CK19) have been observed in several human cancers. In this retrospective study, we aimed at investigating the prognostic significance of CK7 and CK19 in intrahepatic cholangiocarcinoma (ICC).
Methods
Immunohistochemistry was performed to assess CK7 and CK19 expression on tissue microarrays in training...
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