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Genetics of Breast and Ovarian Cancer (PDQ®): Genetics - Health Professional Information [NCI] - About This PDQ Summary

Purpose of This Summary

This PDQ cancer information summary for health professionals provides comprehensive, peer-reviewed, evidence-based information about the genetics of breast and ovarian cancer. It is intended as a resource to inform and assist clinicians who care for cancer patients. It does not provide formal guidelines or recommendations for making health care decisions.

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Standard Treatment Options Recurrence of Ewing sarcoma is most common within 2 years of initial diagnosis (approximately 80%).[1,2] However, late relapses occurring more than 5 years from initial diagnosis are more common in Ewing sarcoma (13%; 95% confidence interval, 9.4–16.5) than in other pediatric solid tumors.[3] The overall prognosis for patients with recurrent Ewing sarcoma is poor; 5-year survival following recurrence is approximately 10% to 15%.[2,4,5]; [1][Level of evidence: 3iiA]...

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Reviewers and Updates

This summary is reviewed regularly and updated as necessary by the PDQ Cancer Genetics Editorial Board, which is editorially independent of the National Cancer Institute (NCI). The summary reflects an independent review of the literature and does not represent a policy statement of NCI or the National Institutes of Health (NIH).

Board members review recently published articles each month to determine whether an article should:

  • be discussed at a meeting,
  • be cited with text, or
  • replace or update an existing article that is already cited.

Changes to the summaries are made through a consensus process in which Board members evaluate the strength of the evidence in the published articles and determine how the article should be included in the summary.

The lead reviewers for Genetics of Breast and Ovarian Cancer are:

  • Kathleen A. Calzone, PhD, RN, APNG, FAAN (National Cancer Institute)
  • Ilana Cass, MD (Cedars-Sinai Medical Center)
  • Mary B. Daly, MD, PhD (Fox Chase Cancer Center)
  • Susan Domchek, MD (University of Pennsylvania Cancer Center)
  • Donald W. Hadley, MS, CGC (National Human Genome Research Institute)
  • Jennifer Lynn Hay, PhD (Memorial Sloan-Kettering Cancer Center)
  • Karen H. Lu, MD (University of Texas, M.D. Anderson Cancer Center)
  • Suzanne M. O'Neill, MS, PhD, CGC (Northwestern University)
  • Tuya Pal, MD, FAAP, FABMG (H. Lee Moffitt Cancer Center & Research Institute)
  • Susan K. Peterson, PhD, MPH (University of Texas, M.D. Anderson Cancer Center)
  • Jeffery P. Struewing, MD (National Human Genome Research Institute)
  • Susan T. Vadaparampil, PhD, MPH (H. Lee Moffitt Cancer Center & Research Institute)
  • Catharine Wang, PhD, MSc (Boston University School of Public Health)

Any comments or questions about the summary content should be submitted to Cancer.gov through the Web site's Contact Form. Do not contact the individual Board Members with questions or comments about the summaries. Board members will not respond to individual inquiries.

Levels of Evidence

Some of the reference citations in this summary are accompanied by a level-of-evidence designation. These designations are intended to help readers assess the strength of the evidence supporting the use of specific interventions or approaches. The PDQ Cancer Genetics Editorial Board uses a formal evidence ranking system in developing its level-of-evidence designations.

Permission to Use This Summary

PDQ is a registered trademark. Although the content of PDQ documents can be used freely as text, it cannot be identified as an NCI PDQ cancer information summary unless it is presented in its entirety and is regularly updated. However, an author would be permitted to write a sentence such as "NCI's PDQ cancer information summary about breast cancer prevention states the risks succinctly: [include excerpt from the summary]."

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WebMD Public Information from the National Cancer Institute

Last Updated: February 25, 2014
This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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