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': 'In Patey procedure- \nSelect and explain. \nA. Removal of both pectoralis major & minor, B. Removal of pectoralis minor and preservation of pectoralis major, C. Pectoralis minor is divided, D. Both (major & minor) are preserved', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]