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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)