NCIt synonyms : Stage I Keratinizing Epidermoid Carcinoma of the Nasopharynx; Stage I Keratinizing Epidermoid Carcinoma of Nasopharynx; Stage I Keratinizing Squamous Cell Carcinoma of Nasopharynx; Stage I Keratinizing Squamous Cell Carcinoma of the Nasopharynx; Stage I Nasopharyngeal Keratinizing Epidermoid Carcinoma; Stage I Nasopharyngeal Squamous Cell Carcinoma; Stage I Nasopharyngeal Keratinizing Squamous Cell Carcinoma;
NCIt related terms : Stage I Nasopharyngeal Throat Keratinizing Squamous Cell Cancer;
NCIt definition : Stage I includes: T1, N0, M0. T1: Nasopharyngeal cancer with tumor confined to the
nasopharynx, or tumor extending to oropharynx and/or nasal cavity without parapharyngeal
extension. Parapharyngeal extension denotes posterolateral infiltration of tumor.
N0: No regional lymph node metastasis. M0: No distant metastasis. (AJCC 7th ed.);