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    GlossarySentinel Lymph Node Biopsy

    surgical procedure to check cancer spread in lymph nodes

    A Sentinel Lymph Node Biopsy (SLNB) is a surgical procedure used to determine if cancer has spread beyond a primary tumor into the lymphatic system. During the procedure, the sentinel lymph node—the first lymph node to which cancer cells are likely to spread from the primary tumor—is identified, removed, and examined for the presence of cancer cells. This technique helps in staging cancer and planning appropriate treatment.

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