This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology and breast, Subject name: Anatomy
[{'content': 'Popcorn calcification in mammography is seen in \nSelect and explain. \nA. Fibro adenoma, B. Fat necrosis, C. Cystosarcoma phyllodes, D. CA breast', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Pattern of calcification in breast diseases Carcinoma--Microcalcification, punctuate, branching Fibro adenoma - Popcorn( coarse, granular, crushed Stone) Fibrocystic disease - powdery Fat necrosis - Curvilinear Ref: Robbins 9th edition Pg no : 1069', 'role': 'assistant'}]