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': "40 years old female with a 2 cms nodule in the breast & a proved metastatic node in the axilla, treatment is? \nSelect and explain. \nA. Quadrantectomy, B. Mastectomy with local radiotherapy, C. Patey's with adjuvant chemotherapy, D. Halstedt's operation with tamoxifenFibroadenosis", 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e. Patey's with adjuvant chemotherapy", 'role': 'assistant'}]