system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
'N3' in Head & Neck cancer TNM staging refers to
assistant
The correct answer is  Answer- D. Contralateral lymph node > 6 cmN3- Metastasis in a lymph node > 6 cm in greatest dimension