Synonyms

DCIS, NOS
DIN 3
Ductal intraepithelial neoplasia 3

Related terms

Intraductal carcinoma, noninfiltrating, 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.