Nasopharyngeal Cancer pN1 TNM Finding v7

**Semantic type:** Finding

**Definition:** Nasopharyngeal cancer with unilateral metastasis in cervical lymph node(s), 6 cm or less in greatest dimension, above the supraclavicular fossa, and/or unilateral or bilateral, retropharyngeal lymph nodes, 6 cm or less in greatest dimension. Midline nodes are considered ipsilateral nodes. (from AJCC 7th Ed.)