Infiltrating (Invasive) Ductal Carcinoma (IDC)

Infiltrating ductal carcinoma is the most common invasive breast cancer, accounting for 70 percent of all cases. A very hard lump that has irregular borders and seems anchored in surrounding tissues is characteristic of infiltrating ductal carcinoma. The skin over the area or the nipple may retract (pull in). On mammography, there are often micro-calcifications found in the tumor area, since this tumor has a history of internal cell death (necrosis). The tumor varies in size and cell division time, with some cells growing more rapidly than others.

Want to talk about IDC?

Call the Hotline and speak with someone who's been there. The Hotline Match Program will arrange for you to speak with a breast cancer survivor who has had the same diagnosis or has faced the same important issues as you.

24-hour Y-ME National Breast Cancer Hotline
1-800-221-2141 (English)*
1-800-986-9505 (Español)

*Interpreters available in 150 languages