With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Lymph nodes are major sites of white blood cells.
text_B: A lymph node or lymph gland , is an ovoid or kidney-shaped organ of the lymphatic system , and of the adaptive immune system , that is widely present throughout the body .. ovoid. oval. organ. Organ ( anatomy ). lymphatic system. lymphatic system. adaptive immune system. adaptive immune system. kidney. kidney. They are linked by the lymphatic vessels as a part of the circulatory system .. circulatory system. circulatory system. Lymph nodes are major sites of B and T lymphocytes , and other white blood cells .. B cell. T cell. Lymph nodes are important for the proper functioning of the immune system , acting as filters for foreign particles and cancer cells .. cancer. cancer. Lymph nodes do not have a detoxification function , which is primarily dealt with by the liver and kidneys .. detoxification. detoxification. liver. liver. In the lymphatic system the lymph node is a secondary lymphoid organ .. organ. Organ ( anatomy ). lymphatic system. lymphatic system. secondary lymphoid organ. Lymphatic system#Structure. A lymph node is enclosed in a fibrous capsule and is made up of an outer cortex and an inner medulla .. Lymph nodes also have clinical significance .. They become inflamed or enlarged in various diseases which may range from trivial throat infections , to life-threatening cancers .. inflamed. inflamed. throat infections. Pharyngitis. The condition of the lymph nodes is very important in cancer staging , which decides the treatment to be used , and determines the prognosis .. cancer. cancer. cancer staging. cancer staging. prognosis. prognosis. When swollen , inflamed or enlarged , lymph nodes can be hard , firm or tender .. inflamed. inflamed
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