preferred_name: Recurrent Nasopharyngeal Keratinizing Squamous Cell Carcinoma
preferred_name_lc: recurrent nasopharyngeal keratinizing squamous cell carcinoma
label: Relapsed Keratinizing Epidermoid Carcinoma of Nasopharynx
label_lc: relapsed keratinizing epidermoid carcinoma of nasopharynx