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