Fig. 1From: Establishment of a patient-derived intrahepatic cholangiocarcinoma xenograft model with KRAS mutationImmunophenotypical tumor features of CHC001 PDX are maintained through serial passages in mice. Cytokeratin 7 (CK7), CK17, CK19 and EMA staining on CHC001-PDX in fourth generation (right panel) was similar to primitive (CHC001-PR) tumor (left panel). Hematoxylin counterstaining, magnification 20XBack to article page