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Stage 0 Treatment Options

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Stage 0 breast cancer describes non-invasive breast cancers, such as DCIS (ductal carcinoma in situ). In stage 0, there is no evidence of cancer cells or non-cancerous abnormal cells breaking out of the part of the breast in which they started, or getting through to or invading neighboring normal tissue.

Treatment to the breast

  • total mastectomy (radiation after mastectomy rarely needed) or
  • lumpectomy plus radiation or
  • lumpectomy alone (with or without internal radiation — only for a limited subset of women)

Treatment to the lymph nodes

  • none required


Hormonal therapy

  • hormonal therapy usually prescribed; estrogen receptor status is not always known

Targeted therapy


Treatment to other parts of the body

  • does not apply

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