This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Breast, Subject name: Pathology
[{'content': 'Cystosarcoma phylloides is tumor of \nSelect and explain. \nA. Breast, B. Liver, C. Colon, D. Uterus', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. a (Breast). (Ref. Baily & Love, Surgery, 22nd/pg.552)CYSTOSARCOMA PHYLLOIDES# is benign tumor of the breast.# It presents as a huge mass in breast.# Its histological pattern is variegated.# Its a misnomer as its relatively benign, but potentially malignant tumor.', 'role': 'assistant'}]