Peer-Reviewed Publication
Mod Pathol2026;101094.October 5, 2026Journal Article

FGFR2/3-Altered Intrahepatic Cholangiocarcinoma: A Distinct Clinicopathologic and Molecular Subtype Associated with Improved Disease-Specific Survival.

Wen-Yu Hsiao1, Kartik Angara2, Haider A Mejbel3
1Department of Pathology, Gastrointestinal and Liver Pathology, Emory University School of Medicine, Atlanta, Georgia.
2Caris Life Sciences, Irving, Texas.
3Department of Pathology, Gastrointestinal and Liver Pathology, Emory University School of Medicine, Atlanta, Georgia; Department of Pathology, Molecular Genetics Pathology, Emory University School of Medicine, Atlanta, Georgia; Emory Winship Cancer Institute, Emory University, Atlanta, Georgia. Electronic address: haider.a.mejbel@emory.edu.

Abstract

Intrahepatic cholangiocarcinoma (iCCA) is an aggressive neoplasm with a poor prognosis. Fibroblast Growth Factor Receptor (FGFR) has emerged as a therapeutic target; however, the clinicopathologic, molecular, and prognostic features of FGFR-altered iCCAs remain incompletely defined. Thus, a 5-year retrospective study of genomically profiled iCCAs using dual whole-exome and whole-transcriptome sequ…

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