preferred_name: Stage IVB Oral Cavity Mucoepidermoid Carcinoma AJCC v6 and v7
preferred_name_lc: stage ivb oral cavity mucoepidermoid carcinoma ajcc v6 and v7
label: Stage IVB Mucoepidermoid Carcinoma of the Mouth
label_lc: stage ivb mucoepidermoid carcinoma of the mouth