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': 'A 55-year-old post-menopausal woman, on hormone replacement therapy (HRT), presents with heaviness in both breasts. A screening mammogram reveals a high density speculated mass with a cluster of pleomorphic microcalcification and ipsilateral large axillary lymph nodes. The mass described here most likely represents - \nSelect and explain. \nA. Cystosarcoma phylloides, B. Lymphoma, C. Fibroadenoma, D. Carcinoma', 'role': 'user'}, {'content': 'Answer: D \nExplanation: H/O of hormone replacement therapy and characteristic features on mammogram confirm the diagnosis of Breast carcinoma\nMammographic findings of high density, spiculated mass with clusters of pleomorphic micro calcification correlate with carcinoma breast.\n\nNote : In hormone replacement therapy estrogen is given and its use has been associated with these risks\n\nPredisposition to breast carcinoma\nGallstones\nWorsening of migraine', 'role': 'assistant'}]