preferred_name: Stage IVA Oropharyngeal Undifferentiated Carcinoma AJCC v7
preferred_name_lc: stage iva oropharyngeal undifferentiated carcinoma ajcc v7
label: Stage IVA Oropharyngeal Lymphoepithelioma AJCC v7
label_lc: stage iva oropharyngeal lymphoepithelioma ajcc v7