1. First Department of General Surgery, Azienda Ospedaliera S. Croce, Cuneo, Italy
2. Department of Nuclear Medicine, Azienda Ospedaliera S. Croce, Cuneo, Italy
3. Department of Pathology, Azienda Ospedaliera S. Croce, Cuneo, Italy
4. Department of Medical Oncology, Azienda Ospedaliera S. Croce, Cuneo, Italy