This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
Order of structures in Porta hepatis are 
Select and explain. 
A. = Right anterior - Portal vein ;  = Posterior hepatic artery ;  = Left anterior - Bile duct, B. = Right anterior - Bile duct ;  = Posterior - Hepatic artery ;  = Left anterior - Portal vein, C. = Right anterior - Portal vein ;  = Posterior - Bile duct ;  = Left anterior - hepatic artery, D. = Right anterior - Hepatic artery ;  = Posterior -Posterior Vein ;  = left anterior - Bile duct
B: = Right anterior - Bile duct ;  = Posterior - Hepatic artery ;  = Left anterior - Portal vein
Answer: B: = Right anterior - Bile duct ;  = Posterior - Hepatic artery ;  = Left anterior - Portal vein 
Explanation: Arrangement of structures at Porta hepatis from anterior to posterior
 = Bile duct 
 = Hepatic artery
 = Portal vein