This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Surgery
[{'content': 'Which among the following drains into IVC \nSelect and explain. \nA. Renal, B. SMV, C. IMV, D. Splenic vein', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans) a (Renal) Ref BD Chaurasia AbdomenSMV joins with splenic veins to form portal veins behind neck of pancreas.IMV drains into splenic vein.Splenic vein forms portal vein with SMV.', 'role': 'assistant'}]