A form of cancer that attacks the immune system, lymphoma affects lymphocytes, a type of white blood cell, in particular. It is the seventh most common form of cancer across the world and accounts for about 3 to 4 percent of all cases. Though it can occur at any age, lymphoma is the most common cancer affecting younger individuals. Here are some more facts about lymphoma.
Though the World Health Organization identifies four different types of lymphomas, two kinds are most widely recognized: Hodgkin lymphoma and non-Hodgkin lymphoma. Hodgkin lymphoma occurs when a certain type of cell called the Reed-Sternberg cell develops in the lymph nodes. It is more treatable than non-Hodgkin lymphoma, which generally refers to all other varieties of lymphoma. Non-Hodgkin lymphoma is more likely to affect elderly individuals.
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