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
External branch of superior laryngeal nerve supply:
assistant
The correct answer is  Right recurrent laryngeal nerve may be superﬁcial or deep to the inferior thyroid artery.
Occasionally, some branches are superﬁcial & some are deep.
Left recurrent laryngeal nerve is usually deep to inferior thyroid artery.