They work as filters, trapping viruses, bacteria and other causes of illnesses before they can infect other parts of the body. Learn more about swollen lymph nodes, including possible causes and treatments your doctor may recommend. Hundreds of these nodes cluster all through the lymphatic system For instance, they're near the knees, groin, neck and armpits A network of lymphatic vessels connects these nodes. The lymphatic system is made up of organs, glands, tubelike vessels and clusters of cells called lymph nodes
This condition involves swollen lymph nodes in the membrane that connects the bowel to the abdominal wall It usually affects children and teens. See if the melanoma has spread to the lymph nodes If there's a risk that the cancer has spread to nearby lymph nodes, you might need a sentinel node biopsy During a sentinel node biopsy, a dye is injected in the area where your melanoma was removed The dye flows to the nearby lymph nodes.
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