1. Department of General Surgery, General Surgery Unit, Rare Hormonal Tumors Group, Surgery of Rare Hormonal Tumors, Azienda Ospedaliera Istituti Ospitalieri, Viale Concordia 1, 26100 Cremona, Italy
2. Radiotherapy Unit and Nuclear Medicine, Azienda Ospedaliera Istituti Ospitalieri, Viale Concordia, 1, 26100 Cremona, Italy