A global collaboRAtive study of CIC-rearranged, BCOR::CCNB3-rearranged and other ultra-rare unclassified undifferentiated small round cell sarcomas (GRACefUl)

Emanuela Palmerini, Marco Gambarotti, Antoîne Italiano, Michael J. Nathenson, Ravin Ratan, Palma Dileo, Salvatore Provenzano, Robin L. Jones, Steven G. DuBois, Javier Martín‐Broto, Enrique de Alava, Giacomo Giulio Baldi, Giovanni Grignani, Virginia Ferraresi, Antonella Brunello, Luca Paoluzzi, Rossella Bertulli, Nadia Hindi, Michael Montemurro, Christian Rothermundt, Stefania Cocchi, Carmen Salguero‐Aranda, Davide María Donati, Juan David Martín, Amr H. Abdelhamid Ahmed, Alessandro Mazzocca, Elisa Carretta, Marilena Cesari, Michela Pierini, Alberto Righi, Marta Sbaraglia, Maria Antonella Laginestra, Katia Scotlandi, Angelo Paolo Dei Tos, Toni Ibrahim, Silvia Stacchiotti, Bruno Vincenzi