Monoclonal B-cell lymphocytosis (MBL) is when you have a high number of identical B cells, under 5,000 per microliter, for at least 3 months. It usually causes no symptoms or need for active treatment ...
Stage 4 diffuse large B-cell lymphoma (DLBCL) is a rapidly growing lymphoma affecting at least one other organ outside the lymphatic system. Cancer is the unusual growth and spread of cells within the ...