%0 Case Reports %T Aggressive undifferentiated small round cell sarcoma of the thorax showing TOP2B::UBA3 fusion. %A Nakamura H %A Kukita Y %A Yoshida KI %A Takenaka S %A Yagi T %J Histopathology %V 84 %N 7 %D 2024 Jun 26 %M 38409864 %F 7.778 %R 10.1111/his.15163