Nasopharyngeal Cancer pTX TNM Finding v6 and v7

**Semantic type:** Finding

**Definition:** Nasopharyngeal cancer in which the primary tumor cannot be assessed. (from AJCC 6th and 7th Eds.)

**Synonyms:** - Nasopharyngeal Cancer pTX TNM Finding - Nasopharyngeal Cancer pTX TNM Finding v6 - Nasopharyngeal Cancer pTX TNM Finding v7