preferred_name: Stage IIB Nasopharyngeal Keratinizing Squamous Cell Carcinoma
preferred_name_lc: stage iib nasopharyngeal keratinizing squamous cell carcinoma
label: Stage IIB Nasopharyngeal Keratinizing Squamous Cell Carcinoma
label_lc: stage iib nasopharyngeal keratinizing squamous cell carcinoma