NCIt synonyms : Ductal Carcinoma of the Breast; Ductal Carcinoma of Breast; Duct Carcinoma; Duct Adenocarcinoma; Ductal Breast Carcinoma;
NCIt related terms : Ductal adenocarcinoma; ductal carcinoma;
NCIt definition : A breast carcinoma arising from the ducts. While ductal carcinomas can arise at other
sites, this term is universally used to refer to carcinomas of the breast. Ductal
carcinomas account for about two thirds of all breast cancers. Two types of ductal
carcinomas have been described: ductal carcinoma in situ (DCIS) and invasive breast
carcinoma of no special type. The latter often spreads to the axillary lymph nodes
and other anatomic sites. The two forms of ductal carcinoma often coexist.;
Alternative definition : NCI-GLOSS: The most common type of breast cancer. It begins in the cells that line
the milk ducts in the breast.;