Study Status: Recruiting
Recruit Status: Recruiting
Study Type: Interventional
Official Title: Usefulness of Narrow-band Imaging to Estimate the Superficial Spread of Squamous Cell Carcinomas in Oropharynx, Hypopharynx and Larynx
Brief Summary: The aim of this study is to prospectively determine if the use of NBI endoscopy modifies the superficial extension of these tumors.