Department of Radiology, IRCCS Policlinico San Martino Hospital, Genoa, Italy. Department of Radiology, CNR (National Council of Research)/Tuscany Region 'Gabriele Monasterio' Foundation (FTGM), Massa, Italy. Department of Radiology - Area Vasta 1 - ASUR Marche, Ospedale Civile "Santa Maria della Misericordia" di Urbino, Viale Federico Comandino, 70, 61029, Urbino, PU, Italy. Department of Radiology, DIBIMED, University of Palermo, Palermo, Italy. SDN IRCCS, Naples, Italy. filippocademartiri@gmail.com.