You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is What is the treatment of choice for cystosarcoma phylloides? and explain in detail?
Cystosarcoma phylloides are not simply giant fibroadenoma. They show a wide spectrum of activity, varying from almost a benign condition (85%) to a locally aggressive and sometimes metastatic tumour (15%). Depending on mitotic index and degree of pleomorphism they are graded as low grade to high grade tumours. When malignant (sarcoma) spreads to lungs or bone. Treatment is wide local excision or subcutaneous mastectomy is done. If malignant (sarcoma), total mastectomy is indicated. Ref; (page no; 520) 5th edition of SRB&;S manual of Surgery