NCI Definition: Lobular neoplasia characterized by lobular epithelial proliferation that does not completely fill the lobular unit of the breast. [1]

Disease Details

Atypical Lobular Hyperplasia of Breast, ALH, atypical lobular hyperplasia, Atypical Lobular Hyperplasia of the Breast, Atypical Breast Lobular Hyperplasia
Precancerous Condition


1. National Cancer Institute. NCI Thesaurus Version 18.11d. https://ncit.nci.nih.gov/ncitbrowser/ [2018-08-28]. [2018-09-21].

2. The AACR Project GENIE Consortium. AACR Project GENIE: powering precision medicine through an international consortium. Cancer Discovery. 2017;7(8):818-831. Dataset Version 8. This dataset does not represent the totality of the genetic landscape; see paper for more information.

3. All assertions and clinical trial landscape data are curated from primary sources. You can read more about the curation process here.