NCIt synonyms : Atypical Breast Hyperplasia; Atypical Hyperplasia of Breast; Atypical Hyperplasia of the Breast;
NCIt definition : A general term that refers to atypical hyperplastic proliferations of the epithelial
cells in the breast parenchyma. Examples include atypical ductal hyperplasia, atypical
lobular hyperplasia, and columnar cell hyperplasia with atypia.;