FGFR2-IIIb Expression by Immunohistochemistry Has High Specificity in Cholangiocarcinoma with FGFR2 Genomic Alterations

Pedro Luiz Serrano Usón, Thomas DeLeon, James M. Bogenberger, Rish K. Pai, Heidi Kosiorek, Jun Yin, Daniel H. Ahn, Mohammad Bassam Sonbol, Tanios Bekaii‐Saab, Aaron S. Mansfield, Kenneth H. Buetow, Gregory J. Gores, Rory L. Smoot, George Vasmatzis, Benjamin R. Kipp, Amit Mahipal, Alexander T. Baker, Hani M. Babiker, Oumar Barro, Chelsae Dumbauld, Yumei Zhou, Faaiq Aslam, Michael T. Barrett, Bertram L. Jacobs, Nathalie Meurice, Mansi Arora, Joachim L. Petit, Natalie Elliott, Bolni Marius Nagalo, Marcela Salomao, Mitesh J. Borad