The lymphatic system is a part of the immune system responsible for fighting germs or infections and helps to transport body fluids around the body. Non-Hodgkin’s lymphoma is a kind of cancer that begins from this system, and it occurs when there is excess production of a huge amount of abnormal lymphocytes leading to the development of tumors around the body. Non-Hodgkin’s lymphoma is a general classification of all kinds of lymphoma; follicular  and diffuse large B-cell lymphoma  are under this classification. It is most common in adults; it can also be present in children.
Non-Hodgkin’s lymphoma mostly occurs in the lymph node, bone marrow, thymus, digestive organs, tonsils and adenoids, and spleen. It is a very common condition. More than 1 million cases in a year are seen in India. People diagnosed with non-Hodgkin’s lymphoma can live for 5 to 10 years.