preferred_name: Stage I Oropharyngeal Undifferentiated Carcinoma AJCC v6 and v7
preferred_name_lc: stage i oropharyngeal undifferentiated carcinoma ajcc v6 and v7
label: Stage I Oropharyngeal Undifferentiated Carcinoma AJCC v6 and v7
label_lc: stage i oropharyngeal undifferentiated carcinoma ajcc v6 and v7