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