Breast precancerous disease is a group of benign proliferative disorders which is correlated to breast cancer, the latter being the most common female cancer.

Having high breast-tissue density can drastically raise your risk of developing breast cancer, as does finding atypical hyperplasia, or abnormal cell growth, which is confirmed by a biopsy.

Purpose To explore the morphologic and immunophenotypic characteristics of intraductal proliferative lesion in resected specimen of breast carcinoma and the correlation with invasive carcinoma.