1. Oncology Unit, Azienda Ospedaliera “Ospedali Riuniti Marche Nord”, 61122 Pesaro, Italy
2. Oncology Unit, Carrara General Hospital, Carrara, Italy
3. Oncology Unit, Azienda Ospedaliera Carlo Poma, Mantova, Italy
4. Diagnostics for Images Unit & Interventional Radiology, Azienda Ospedaliera “Ospedali Riuniti Marche Nord”, 61122 Pesaro, Italy
5. Department of Applied Clinical Sciences and Biotechnology, Section of General Surgery, University of L'Aquila, via Vetoio 67100 L'Aquila, Italy