Inflammatory myofibroblastic tumor: The experience of the European pediatric Soft Tissue Sarcoma Study Group (EpSSG)

Michela Casanova, Bernadette Brennan, Rita Alaggio, Anna Kelsey, Daniel Orbach, Max M van Noesel, Nadege Corradini, Veronique Minard-Colin, Ilaria Zanetti, Gianni Bisogno, Soledad Gallego, Johannes H M Merks, Gian Luca De Salvo, Andrea Ferrari