1. Digestive Endoscopy Unit, Istituto Clinico Humanitas, Rozzano, Milan, Italy
2. Division of Surgical Oncology, Istituto Clinico Humanitas, Rozzano, Milan, Italy
3. Nuclear Medicine, Istituto Clinico Humanitas, Rozzano, Milan, Italy
4. Radiology, Istituto Clinico Humanitas, Rozzano, Milan, Italy