Lumpectomy followed by radiation therapy: This is the most common treatment for DCIS. Lumpectomy is sometimes called breast-conserving.
Radiation therapy after lumpectomy to remove low-risk DCIS reduces the risk of recurrence, but had no effect on overall survival.
DCIS can't spread outside the breast, but it still needs to be treated because it BCS without radiation therapy is not a standard treatment, but it.
If DCIS is diagnosed with invasive breast cancer, treatment and prognosis are based Surgery (with or without radiation therapy) is recommended to treat DCIS.