preferred_name: Stage IVC Oropharyngeal Undifferentiated Carcinoma AJCC v7
preferred_name_lc: stage ivc oropharyngeal undifferentiated carcinoma ajcc v7
label: Stage IVC Oropharyngeal Undifferentiated Carcinoma AJCC v7
label_lc: stage ivc oropharyngeal undifferentiated carcinoma ajcc v7