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    Lymph Node Removal Not Needed for Breast Cancer Patients

    Study Shows Breast Cancer Patients Do Well Without Surgery to Remove Lymph Nodes Under the Arm
    By
    WebMD Health News
    Reviewed by Laura J. Martin, MD

    Feb. 8, 2011 -- Many women being treated for early breast cancer can keep the lymph nodes under their arms without fear that it will hurt their chances of survival or the increase the odds that their cancer will return, experts say.

    A new study shows that about 92% of women with early-stage breast cancers that have spread to a nearby lymph node who have lumpectomies and radiation to treat their tumors will be alive five years later, whether or not they have multiple lymph nodes removed from under their arms, a procedure called an axillary lymph node dissection.

    The study is published in the Feb. 9 issue of TheJournal of the American Medical Association,

    That’s good news for many who are diagnosed with breast cancer since removal of the lymph nodes from the underarm area may lead to infection, pain, stiffness, numbness, and swelling. It also increases the length of time spent on the operating table.

    “The traditional treatment of breast cancer had been to remove the lymph nodes underneath the arm,” says Grant W. Carlson, MD, a breast cancer surgeon at the Winship Cancer Institute at Emory University in Atlanta.

    “That thought probably lasted over 50 years, then we realized that a lot of cancers spread through the bloodstream first, or at the same time as they are spreading through the lymph nodes, and that removing the lymph nodes isn’t curative in and of itself,” says Carlson who co-authored an editorial that accompanied the study.

    But doctors have gotten progressively better, not only at treating the cancer but doing it more conservatively, which helps to minimize complications to patients and maintain the quality of their lives.

    “I think we should celebrate the progress we’ve made in breast cancer, not only in the more conservative treatment of it but also in our ability to treat systemic metastasis,” Carlson says.

    Should Lymph Nodes Stay or Go?

    For the study, doctors randomly split 891 women -- all with breast tumors 2 inches or less in diameter that had spread to their lymph nodes -- into two groups.

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