1 Radiology Unit, Department of Oncology, San Luigi Gonzaga Hospital, University of Torino, Regione Gonzole 10, 10043, Orbassano, Turin, Italy. andrea.veltri@unito.it.
2 Radiology Unit, Department of Oncology, San Luigi Gonzaga Hospital, University of Torino, Regione Gonzole 10, 10043, Orbassano, Turin, Italy.