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