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': 'Fibroadenoma of the breast are- \nSelect and explain. \nA. Fixed mass, B. Diffuse mass, C. Multiple duffuse mass, D. Solitary mobile mass', 'role': 'user'}, {'content': 'Answer: D \nExplanation: • MC benign tumor of female breast\n• MC age group: 15–30 years\n• Known as breast mouse\n• Etiology: Increased sensitivity of focal areas of breast tissue to estrogen\nPathology\n• Encapsulated spherical lesion, composed of fibrous and glandular tissue\n• Arise from interlobular stroma, stromal cells can be monoclonal or polyclonal\nTypes\n• Pericanalicular (Hard): Due to proliferation of connective tissue inside the elastic lamina\n• Intracanalicular (Soft): Due to proliferation of connective tissue outside the elastic lamina\nClinical Features\n• Painless, slowly growing solitary mobile lump in the breast (Breast mouse)\xa0\nDiagnosis\n• Characteristic popcorn calcification\xa0on mammography\n• IOC is FNAC\nTreatment\n• No treatment\xa0is necessary when diagnosis is confirmed.\n• Excision biopsy is the treatment of choice for suspicious lesion\xa0and for cosmetic indications.', 'role': 'assistant'}]