preferred_name: Stage IVB Nasopharyngeal Keratinizing Squamous Cell Carcinoma AJCC v7
preferred_name_lc: stage ivb nasopharyngeal keratinizing squamous cell carcinoma ajcc v7
label: Stage IVB Keratinizing Squamous Cell Carcinoma of the Nasopharynx
label_lc: stage ivb keratinizing squamous cell carcinoma of the nasopharynx