Breast Lesions and Relative Risk of Developing Invasive Carcinoma.

Nonproliferative Breast Changes( RR: 1)

Duct ectasia

Cysts

Apocrine change

Mild hyperplasia

Adenosis

Fibroadenoma without complex features

Proliferative Disease Without Atypia ( RR: !.5-2)

Moderate or florid hyperplasia

Sclerosing adenosis

Papilloma

Complex sclerosing lesion (radial scar)

Fibroadenoma with complex features

Proliferative Disease with Atypia (RR:4.0–5.0)

Atypical ductal hyperplasia

Atypical lobular hyperplasia

Lobular carcinoma in situ: Treatment (tamoxifen, bilateral mastectomy)

Ductal carcinoma in situ : Treatment( same)