preferred_name: Human Papillomavirus-Negative Neck Squamous Cell Carcinoma of Unknown Primary
preferred_name_lc: human papillomavirus-negative neck squamous cell carcinoma of unknown primary
label: Human Papillomavirus Negative Head and Neck Squamous Cell Carcinoma of Unknown Primary
label_lc: human papillomavirus negative head and neck squamous cell carcinoma of unknown primary