label: HHV-8 and EBV-Negative Primary Effusion-Based Lymphoma
label_lc: hhv-8 and ebv-negative primary effusion-based lymphoma
description: An HHV-8 and EBV-negative primary effusion-based lymphoma that affects elderly, HIV-negative patients with history of medical conditions that result in fluid overload. The majority of cases have been reported in Japan. Most tumors exhibit centroblastic or immunoblastic morphology. The prognosis is good.