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
Lymphatic drainage of anterior pa of nose is to
assistant
The correct answer is  Lymphatic from the anterior half of the lateral wall pass to the submandibular nodes,and from the posterior half,to the retropharyngeal and upper deep cervical nodes. Ref BDC volume;3,Sixth edition