This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology and breast, Subject name: Surgery
[{'content': 'Treatment of choice for phylloides tumor \nSelect and explain. \nA. Excision, B. Radical mastectomy, C. Radiotherapy, D. Chemotherapy', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Treatment of choice for phylloides tumor is excision or subcutaneous mastectomy is done if malignant, total mastectomy is done phylloides tumor also known as cystosarcoma phylloides/ serocystic disease of broide they are simply giant fibroadenoma ref ;(page no;521) 5th edition of SRB&;S Manual of SURGERY', 'role': 'assistant'}]