This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Surgery
[{'content': 'Not associated with fat necrosis: \nSelect and explain. \nA. Liposuction, B. Radiotherapy, C. Mammoplasty, D. Carcinoma Breast', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Carcinoma Breast: After surgery/surgical trauma: Wide local excision, Reduction mammoplasty Following radiotherapy including iridium implants Following trauma Autologous fat injection using liposuction technique to fill in irregular contours and small soft tissue defects in the breast may lead to fat necrosis secondary to poor blood supply in the injected fat Ref: Breast pathology by Frances P O Malley (2006)/76-78', 'role': 'assistant'}]