Includes bibliographical references and index.

Normal anatomy and histology -- Reactive, inflammatory, and nonproliferative lesions -- Intraductal proliferative lesions : usual ductal hyperplasia, atypical ductal hyperplasia, and ductal carcinoma in situ -- Columnar cell lesions and flat epithelial atypia -- Lobular carcinoma in situ and atypical lobular hyperplasia -- Fibroepithelial lesions -- Adenosis and sclerosing lesions -- Papillary lesions -- Microinvasive carcinoma -- Invasive breast cancer -- Spindle cell lesions -- Vascular lesions -- Other mesenchymal lesions -- Miscellaneous rare lesions -- Nipple disorders -- Male breast lesions -- Breast lesions in children and adolescents -- Axillary lymph nodes -- Treatment effects -- Specimen processing, evaluation, and reporting.