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': 'Which of the following is a predisposing factor for carcinoma of breast \nSelect and explain. \nA. Sclerosing adenosis, B. Epithelial hyperplasia, C. Fibrocystic disease of breast, D. Fibroadenoma', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Proliferative lesions relative risks for developing invasive breast cancer Non - proliferative changes :7.0% Relative risk = 1.0 Adenosis Cysts and apocrine change Ductal ectasia Mild epithelial hyperplasia of usual type Proliferative disease without atypia : 26% Relative risk= 1.5 - 2.0 Hyperplasia of usual type, moderate or florid Papilloma Sclerosing Adenosis Proliferative disease with atypia :4% Relative risk=4-5 Atypical ductal hyperplasia Atypical lobular hyperplasia', 'role': 'assistant'}]