B lymphocytes, or B cells: B cells produce antibodies, a protein that helps protect the body from infections.There are two main kinds of lymphocytes in the lymphatic system: The cancer can spread through the lymphatic system. Non-Hodgkin lymphoma (NHL): This type of lymphoma does not have Reed-Sternberg cells present. ![]() HL can spread from one lymph node to another. The number of these cells increases as the disease advances. Hodgkin lymphoma: Professionals refer to it as Hodgkin lymphoma (HL) if there are a certain type of cells - called Reed-Sternberg cells - present.Lymphoma is cancer that begins in the lymphatic system. Lymphoma is cancer that begins in the lymphatic system and may affect lymph nodes in the neck.Ĭancer cells may also travel from other body areas through the lymphatic system and collect in neck lymph nodes. Clusters of nodes sit around the ear, under the jaw and chin, and down either side of the neck. The neck contains many lymph nodes, with more than 300 in the head and neck area. There are lymph nodes throughout the body, including the: This is why a person may have enlarged or swollen lymph nodes when they have an infection. Lymph nodes also have white blood cells to fight infections. ![]() Lymph vessels connect to hundreds of lymph nodes in the body, which filter lymph fluid for foreign substances, including cancer. ![]() Lymph vessels carry lymph fluid which contains lymphocytes, a type of white blood cell. The lymphatic system consists of lymph vessels and lymph nodes throughout the body. Share on Pinterest Jonathan Storey/Getty Images
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