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intraductal carcinoma [also called DCIS or ductal carcinoma in situ]

(IN-tra-DUCK-tul car-sih-NO-ma)

Abnormal breast cells that involve only the lining of a milk duct. These cells have not spread outside the duct into the normal surrounding breast tissue.

Read more about intraductal carcinoma or see an illustration of intraductal carcinoma.

Audio contributed by: Dr. Andrew von Eschenbach

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