1. Department of Radiology, ASST Grande Ospedale Metropolitano Niguarda, Milan, Italy
2. Department of General Surgery and Transplantation, ASST Grande Ospedale Metropolitano Niguarda, Milan, Italy
3. Department of Radiology, ASST Grande Ospedale Metropolitano Niguarda, Milan, Italy; Department of Oncology and Hemato-Oncology, Università degli Studi di Milano, Milan, Italy