Affiliation: | Ex-resident of Head and Neck Surgery, Cancer Hospital “A.C. Camargo”; fellow of Head and Neck Surgery, European Institute of Oncology, Milan;1Department of Head and Neck Surgery and Otorhinolaryngology, Cancer Hospital “A.C. Camargo”, Sao Paulo, Brazil;2Department of Otolaryngology, Head and Neck Surgery, European Institute of Oncology, Milan, Italy |