<unk>  <unk>  is the term used for a benign lesion of the breast that indicates an increased risk of breast cancer. The name of the entity is descriptive of the lesion;<unk>  is characterized by cellular proliferation<unk>  within one or two breast ducts and (histomorphologic) architectural abnormalities, i.e. the cells are arranged in an abnormal or<unk>  way. In the context of a core (needle) biopsy,<unk>  is considered an indication for a breast lumpectomy, also known as a surgical (excisional) biopsy, to exclude the presence of breast cancer.
Atypical ductal hyperplasia
Invasive lobular carcinoma
Ductal carcinoma in situ
Intraductal papilloma
Lobular carcinoma in situ
Fibroadenoma
Atypical hyperplasia
Focal nodular hyperplasia