What is EBV-positive diffuse large B cell lymphoma? EBV-positive diffuse large B cell lymphoma (DLBCL) is a type of immune system cancer. It is made up of abnormal B cells that have been infected with Epstein-Barr virus (EBV). What parts of the body are affected by EBV-positive diffuse large B cell lymphoma? EBV-positive DLBCL commonly …
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