T staging of oropharyngeal tumors is as follows:
The oropharynx includes the base of the tongue, the inferior surface of the soft palate and uvula, the anterior and posterior tonsillar pillars, the glossotonsillar sulci, the pharyngeal tonsils, and the lateral and posterior pharyngeal walls.
- T1: tumor is 2 cm or less in greatest dimension
T2: tumor is more than 2 cm but not more than 4 cm in greatest
- T3: tumor is more than 4 cm in greatest dimension