This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Mesentry, neurovascular bundle, Subject name: Anatomy
[{'content': 'Poo caval anastomosis not seen at: \nSelect and explain. \nA. Lower end of esophagus, B. Lower end of anal canal, C. At the fissure for ligamentum teres, D. At the fissure for ligamentum venosum', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Poo caval anastomosis seen at: Lower end of esophagus. Lower end of anal canal. At the bare area of liver. At the falciparum ligament. At umbilicus. Behind the peritoneum. At the fissure for ligamentum venosum.', 'role': 'assistant'}]