NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 7,979 terms related to cancer and medicine.
- atypical ductal breast hyperplasia
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- A benign (not cancer) condition in which there are more cells than normal in the lining of breast ducts and the cells look abnormal under a microscope. Having atypical ductal breast hyperplasia increases the risk of breast cancer. Also called ADH and atypical ductal hyperplasia.