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: Radiology
Coarse 'Popcorn' calcification on mammogram is due to: 
Select and explain. 
A. Fibroadenoma, B. Fat necrosis, C. Carcinoma in situ, D. Phylloides tumour
A: Fibroadenoma
Answer: A: Fibroadenoma 
Explanation: Ans. Fibroadenoma