Table 3.I.

Clinical and pathological T for p16 positive oropharyngeal Carcinoma, Eighth Edition TNM (from Amid et al., 2017 ⁴³, mod.).

T category	T criteria
T0	No primary identified
T1	Tumour 2 cm or smaller in greatest dimension
T2	Tumour larger than 2 cm but not larger than 4 cm in greatest dimension
T3	Tumour larger than 4 cm in greatest dimension or extension to lingual surface of epiglottis
T4	Moderately advanced local disease; tumour invades the larynx, extrinsic muscle of tongue, medial pterygoid, hard palate, or mandible or beyond