Clinical Oncology and Translational Research, S. Croce e Carle University Teaching Hospital, Cuneo, Italy, nerinadenaro@hotmail.com. Department of Endocrinology, Diabetes and Metabolism, S. Croce e Carle University Teaching Hospital, Cuneo, Italy. Department of Otolaryngology, S. Croce e Carle University Teaching Hospital, Cuneo, Italy. Department of General Surgery, S. Croce e Carle University Teaching Hospital, Cuneo, Italy. Clinical Oncology and Translational Research, S. Croce e Carle University Teaching Hospital, Cuneo, Italy.