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Sentinel Node Biopsy
Sentinel Node BiopsyIllustration @ A. D. A. M.
lymphatic system and lymph node illustration
Lymph nodes produce immune cells to help fight infection. They also filter the lymph fluid and remove foreign material, such as bacteria or cancer. Common areas where lymph nodes can be felt include the armpit, behind the ears, and sides of the neck.Illustration © A. D. A. M.