Lymphomas are a type of blood cancer that attacks the lymphocytes. Lymphocytes are white blood cells that are crucial for fighting infection in the body. The most common form of lymphoma is non-Hodgkin's lymphoma (NHL), which occurs in 4 out of 5 patients. Non-Hodgkin lymphoma can occur in men and women of all ages, but is usually diagnosed in men and in people aged 65-74 years. Non-Hodgkin lymphomas can be classified as aggressive (fast) and indolent (slow)-growing lymphomas. The most common form of fast-growing lymphoma is diffuse large-cell B-cell lymphoma (DLBCL). The most common variant of slow-growing lymphoma is follicular lymphoma. Slowly growing lymphomas often show few symptoms and can therefore spread unnoticed in the body. Possible symptoms of DLBCL are painless swelling in the throat, armpit or groin due to enlarged lymph nodes, fever, night sweats and unexplained weight loss.
Since there are several lymphoma subtypes, treatment and prognosis are very different. "Relapse" is unfortunately a well-known term for people with lymphomas, and with each relapse their prognosis deteriorates. Patients often live in fear of their cancer returning, which has significant emotional and psychological implications - not only for themselves, but also for their families and friends.
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