Oropharyngeal p16INK4a-Negative Squamous Cell Carcinoma

**Semantic type:** Neoplastic Process

**Definition:** An oropharyngeal squamous cell carcinoma which is negative for p16INK4a by immunohistochemistry. This negative immunohistochemistry result does not exclude human papillomavirus infection.

**Synonyms:** - Oropharyngeal Squamous Cell Carcinoma, p16INK4a Negative - p16INK4a Negative Oropharyngeal Squamous Cell Cancer - p16INK4a Negative Oropharyngeal Squamous Cell Carcinoma