preferred_name: Stage IVC Oropharyngeal (p16-Negative) Carcinoma AJCC v8
preferred_name_lc: stage ivc oropharyngeal (p16-negative) carcinoma ajcc v8
label: Stage IVC Oropharyngeal (p16-Negative) Carcinoma AJCC v8
label_lc: stage ivc oropharyngeal (p16-negative) carcinoma ajcc v8