preferred_name: Stage IV Lip and Oral Cavity Squamous Cell Carcinoma AJCC v6 and v7
preferred_name_lc: stage iv lip and oral cavity squamous cell carcinoma ajcc v6 and v7
label: squamous cell carcinoma of the lip and oral cavity, metastatic
label_lc: squamous cell carcinoma of the lip and oral cavity, metastatic