preferred_name: Stage 0 Nasopharyngeal Keratinizing Squamous Cell Carcinoma AJCC v6, v7, and v8
preferred_name_lc: stage 0 nasopharyngeal keratinizing squamous cell carcinoma ajcc v6, v7, and v8
label: Nasopharyngeal Keratinizing Squamous Cell Carcinoma in situ
label_lc: nasopharyngeal keratinizing squamous cell carcinoma in situ