Department of Radiological and Hematological Sciences, Section of Radiology, Università Cattolica del Sacro Cuore, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, L.go Agostino Gemelli 8, 00168, Rome, Italy. Department of Radiological and Hematological Sciences, Section of Radiology, Università Cattolica del Sacro Cuore, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, L.go Agostino Gemelli 8, 00168, Rome, Italy. riccardo.marano@unicatt.it.