1. Department of Medical Oncology, Institut Paoli-Calmettes, Marseille, France
2. French-Brazilian Center of Endoscopic Ultrasound, Santa Casa de São Paulo University Hospital, São Paulo, Brazil
3. Department of Radiology, Institut Paoli-Calmettes, Marseille, France
4. Department of Pathology, Institut Paoli-Calmettes, Marseille, France
5. Department of Digestive Endoscopy, Institut Paoli-Calmettes, Marseille, France