1 Vascular and Interventional Radiology Unit, Department of Diagnostic Service, Sapienza University of Rome, Viale Regina Elena 324, 00161, Rome, Italy. pierleone.lucatelli@gmail.com.
2 Vascular and Interventional Radiology Unit, Department of Diagnostic Service, Sapienza University of Rome, Viale Regina Elena 324, 00161, Rome, Italy.
3 Gastroenterology Division, Department of Clinical Medicine, Sapienza University of Rome, Rome, Italy.
4 Pietro Valdoni Surgery Department, Sapienza" University of Rome, Rome, Italy.