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Dictionary of Cancer Terms

View in Spanish: Carcinoma ductal infiltrante

Infiltrating ductal carcinoma (IN-fil-TRAY-ting DUK-tul KAR-sih-NOH-muh)
The most common type of invasive breast cancer. It starts in the cells that line the milk ducts in the breast, grows outside the ducts, and often spreads to the lymph nodes.



 
 
Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.