Jul 19, 2024 · In ductal carcinoma in situ, the cancer cells are confined inside a milk duct in the breast. The cancer cells haven't spread into the breast tissue. Ductal carcinoma in situ is often shortened to …

Dec 2, 2025 · Ductal carcinoma in situ (DCIS) is a condition in which abnormal cells form in the lining of the milk ducts but have not broken out of the milk ducts and spread to other breast tissue.

DCIS can be found alone or with invasive breast cancer. If it’s diagnosed with invasive breast cancer, treatment and the chances of survival are based on the invasive breast cancer, not the DCIS.

What is ductal carcinoma in situ? Ductal carcinoma in situ (DCIS) is a type of very early breast cancer where cancer cells line your milk ducts within one or both breasts. Milk ducts are tubes that carry …

About 1 in 5 new breast cancers will be ductal carcinoma in situ (DCIS). Nearly all women with this early stage of breast cancer can be cured. DCIS is also called intraductal carcinoma or stage 0 breast …

Ductal carcinoma in situ (DCIS) is the earliest stage of breast cancer, which is why it’s sometimes referred to as stage 0 breast cancer. DCIS, by definition, is cancer that starts in the cells lining the …

Learn about ductal carcinoma in situ (DCIS), an early form of breast cancer. Find out how DCIS is diagnosed, treated and how you can get support.

What is ductal carcinoma in situ (DCIS)? DCIS is the same thing as stage 0 breast cancer. That means it is not invasive, and it hasn’t spread beyond the borders of its original location. “In situ” is Latin for …

Ductal carcinoma in situ, known as DCIS or intraductal carcinoma, is a noninvasive presence of breast cancer cells in the milk duct. Learn more about DCIS.

Ductal carcinoma in situ (DCIS) is a condition that affects the cells of the milk ducts in the breast. The cells lining the milk ducts turn malignant (cancerous) but stay in place (in situ). DCIS is an early form …