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  1. Ductal carcinoma in situ (DCIS) - Symptoms and causes

    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 …

  2. What Is Ductal Carcinoma in Situ (DCIS)? - NCI - National Cancer

    Dec 2, 2025 · DCIS is not cancer, but it may be called precancer because it may spread beyond the milk ducts to other parts of the breast or body, becoming invasive cancer. About 20%–25% …

  3. Ductal Carcinoma in Situ (DCIS): Symptoms & Treatment

    Ductal carcinoma in situ (DCIS) is cancer in your breasts’ milk ducts. This early form of breast cancer is usually curable with appropriate treatment.

  4. Ductal Carcinoma in Situ (DCIS) - Johns Hopkins Medicine

    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 …

  5. Ductal Carcinoma in Situ (DCIS) | American Cancer Society

    DCIS is a non-invasive or pre-invasive breast cancer. This means the cells that line the ducts have changed to cancer cells but they have not spread through the walls of the ducts into the …

  6. Ductal Carcinoma in Situ | MD Anderson Cancer Center

    Dec 15, 2023 · Ductal carcinoma in situ (DCIS) is a very early form of breast cancer. It develops from cells of the ducts. Ducts carry milk to the nipple. DCIS has not spread beyond the ducts, …

  7. Ductal Carcinoma In Situ (DCIS) Treatment | Susan G. Komen®

    DCIS (ductal carcinoma in situ) is a non-invasive breast cancer. It’s stage 0 breast cancer. With DCIS, the abnormal cells are contained in the milk ducts and have not invaded nearby tissue …

  8. Ductal Carcinoma In Situ (DCIS) | BCRF - Breast Cancer Research …

    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 …

  9. Ductal Carcinoma In Situ (DCIS) - National Breast Cancer

    Mar 25, 2025 · Ductal carcinoma in situ (DCIS) is a common form of breast cancer, accounting for approximately 20-25% of all new breast cancer cases in the United States. DCIS is a non …

  10. Ductal Carcinoma in Situ: DCIS Symptoms, Treatment & More

    Ductal carcinoma in situ (DCIS) is the earliest form of breast cancer, sometimes called Stage 0 breast cancer or intraductal carcinoma. It is considered noninvasive, meaning the cancer cells …