This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Abdomen and pelvis, Subject name: Anatomy
Which of the following is not a posterior relation of the left kidney? 
Select and explain. 
A. Psoas major, B. Medial arcuate ligament, C. Sympathetic chain, D. Ilioiguinal nerve
C: Sympathetic chain
Answer: C: Sympathetic chain 
Explanation: The sympathetic chain is not a posterior relation of the left kidney. The posterior relations of the kidney are as follows: Vessels(1): Subcostal vessels Ligaments (2): Medial and lateral arcuate ligaments Nerves (3): Subcostal, iliohypogastric, and ilioinguinal nerves Muscles (4): Diaphragm, psoas major, Quadratus lumborum, and transverses abdominis. The right kidney is related to the 12th rib and the left kidney is related to the 11th and 12th ribs. Ref: Gray's Anatomy 41st edition Pgno: 1240