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
All of the following are true about the root of right lung except?
assistant
The correct answer is  Ans 'b'i.e., Vagus crosses it anteriorly(Ref: Snell's 7th/e p. 94; BDC 4'h/e Vol.l p. 224)Vagus nerve crosses both hila posteriorly.Azygous vein arches the hilum of right lung (azygous vein is superior to hilum)Phrenic nerve (on both sides) and SVC (on right side) are anterior.