A member asked:

When doctors say ductal carcinoma in situ, what does "in situ" mean?

A doctor has provided 1 answer
Dr. Eric Chevlen answered

Specializes in Internal Medicine - Oncology

"in place": Ductal carcinoma in situ (DCIS) of the breast is a breast cancer which has started in the ducts of milk glands (as most breast cancers do) but not yet invaded beyond that into the fat of the breast. Untreated, it has a high likelihood of becoming invasive breast cancer, a potentially fatal disease. Treated DCIS has a high cure rate. Some with DCIS benefit from taking med to prevent 2nd cancer.

Answered 7/27/2014

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