Clinical Stage I HPV-Mediated (p16-Positive) Oropharyngeal Carcinoma AJCC v8

**Semantic type:** Neoplastic Process

**Definition:** Stage I includes: (T0, N0, M0); (T0, N1, M0); (T1, N0, M0); (T1, N1, M0); (T2, N0, M0); (T2, N1, M0). T0: No primary identified. T1: Tumor 2 cm or smaller in greatest dimension. T2: Tumor larger than 2 cm but not larger than 4 cm in greatest dimension. N0: No regional lymph node metastasis. N1: Tumor with metastasis in one or more ipsilateral lymph nodes, none larger than 6 cm. M0: No distant metastasis. (AJCC 8th ed.)

**Synonyms:** - Clinical Stage I HPV-Mediated (p16-Positive) Oropharyngeal Squamous Cell Carcinoma AJCC v8 - Stage I HPV-Mediated (p16-Positive) Oropharyngeal Throat Cancer