Top Doctors editorial
Created by: Top Doctors editorial
Malignant tumors located in the paranasal sinuses, nasopharynx, oropharynx (amygdala, soft palate, tongue base), hypopharynx, larynx, oral cavity (oral mucosa, gingiva, hard palate, tongue and floor of mouth), tongue and salivary glands. This classification excludes skin, brain and thyroid tumors.