Undifferentiated round cell sarcoma with BCOR internal tandem duplications (ITD) or YWHAE fusions: a clinicopathologic and molecular study

Cristina R. Antonescu, Yu‐Chien Kao, Bin Xu, Yumi Fujisawa, Catherine T. Chung, Christopher D.�M. Fletcher, Nicole Graf, Albert J.H. Suurmeijer, Angelica Zin, Leonard H. Wexler, Andrea Ferrari, Gianni Bisogno, Rita Alaggio