1 Department of Body and Interventional Imaging, Hôpital Cochin, AP-HP, 75014 Paris, France; Université Paris Cité, Faculté de Médecine, 75006 Paris, France. Electronic address: philippe.soyer@aphp.fr.
2 Department of Radiology, Hamilton General Hospital, McMaster University Hamilton, ON, Canada L8L 2×2.