Human Papillomavirus-Negative Neck Squamous Cell Carcinoma of Unknown Primary

**Semantic type:** Neoplastic Process

**Definition:** A squamous cell carcinoma that is not associated with human papillomavirus infection and has metastasized to the neck lymph nodes from an unknown primary anatomic site.

**Synonyms:** - Human Papillomavirus Negative Head and Neck Squamous Cell Carcinoma of Unknown Primary - Human Papillomavirus Negative Neck Squamous Cell Carcinoma of Unknown Primary - Human Papillomavirus-Negative Head and Neck Squamous Cell Carcinoma of Unknown Primary - Human Papillomavirus-Negative Head and Neck Squamous Cell Carcinoma of Unknown Primary