Synonyms

Intraductal adenocarcinoma, noninfiltrating, NOS
Intraductal carcinoma, NOS

Related terms

Ductal carcinoma in situ, NOS

Definitions

Breast
ICD-O-3 topography code:	C50

A neoplastic proliferation of epithelial cells confined to the mammary ductal-lobular system and characterized by subtle to marked cytological atypia and an inherent but not necessarily obligate tendency for progression to invasive breast cancer.