article_snippet.sent: Lymphoma is a relatively rare and aggressive form of non-Hodgkin’s lymphoma.
article_snippet.sent: Lymphoma affects  lymphocytes - a type of white blood cell - which are found in the blood and in lymph glands.
article_snippet.sent: Lymphoma is a disease where lymphocyte B-cells grow in an uncontrolled way.
article_snippet.sent: Patients with the cancer experience a swelling in the lymph nodes.
article_snippet.sent: If Burkitts lymphoma is in the chest or throat, people can have difficulty swallowing or breathing, whereas if Burkitts lymphoma appears as a lump in the abdomen, Burkitts lymphoma can cause pain, swelling, nausea and diarrhoea. '
article_snippet.sent: Burkitt lymphoma is a cancer of the lymphatic system, which is part of the body's immune system, made up of organs such as the bone marrow and lymph nodes.