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: Surgery
[{'content': "Which one of the following is a muscle splitting incision: September 2012 \nSelect and explain. \nA. Kocher's, B. Rutherford-Morris, C. Pfannensteil, D. Lanz", 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. D i.e. Lanz', 'role': 'assistant'}]