Which of the following is a predisposing factor for carcinoma of breast
High-Yield Explanation
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