RT Book, Section A1 Doherty, Gerard M. SR Print(0) ID 58111681 T1 Head & Neck Squamous Cell Cancer T2 Quick Answers Surgery YR 2010 FD 2010 PB The McGraw-Hill Companies PP New York, NY SN LK accesssurgery.mhmedical.com/content.aspx?aid=58111681 RD 2024/09/18 AB • Curable in 80% of cases when detected at an early stage• Most patients present with locoregional spread• Most important causative agents are tobacco and alcohol• A lesion that appears 3 years after a previous cancer is considered a new primary cancer• Potential sites include: -Oral cavity-Bucca-Mucosa-Hard palate-Tongue-Tonsil-Oropharynx-Hypopharynx-Nasopharynx-Paranasal sinus-Larynx-Glottis-False vocal cords-External auditory canal