preferred_name: Stage IVB Lip and Oral Cavity Squamous Cell Carcinoma AJCC v6 and v7
preferred_name_lc: stage ivb lip and oral cavity squamous cell carcinoma ajcc v6 and v7
label: Stage IVB Lip and Oral Cavity Squamous Cell Carcinoma AJCC v6
label_lc: stage ivb lip and oral cavity squamous cell carcinoma ajcc v6