This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Anatomy
[{'content': 'What is the most common position of appendix? \nSelect and explain. \nA. Pelvic, B. Paracolic, C. Retrocaecal, D. Retroperitoneal', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Retrocecal is the most common position of the appendix. Positions of appendix: Retrocecal: 74% Subcecal: 1.5% Pelvic: 21% ref : BD chaurasia 21st ed. Post-ileal: 0.5% Pre-ileal/retro-ileal: 1%', 'role': 'assistant'}]