TFCP2 and spindle cell rhabdomyosarcoma: Le Loarer Le Loarer F F Cleven Cleven AHG AHG Bouvier Bouvier C C A subset of epithelioid and spindle cell rhabdomyosarcomas is associated with TFCP2 fusions and common ALK upregulation A subset of epithelioid and spindle cell rhabdomyosarcomas is associated with TFCP2 fusions and common ALK upregulation Mod Pathol Off J U S Can Acad Pathol Inc Mod Pathol Off J U S Can Acad Pathol Inc 2020 2020 33 33 404 404 419 419 10.1038/s41379-019-0323-8 10.1038/s41379-019-0323-8