An EBV-positive T-cell/NK-cell lymphoma that arises from the lymph nodes. It is characterized by a monomorphic pattern of infiltration and abscence of the angiodestruction and necrosis seen in extranodal NK/T-cell lymphomas. These lymphomas are more common in elderly patient, or in the setting of immune deficiency. The disease is Experimental Factor Ontology entry EFO_0022910 (ebv-positive nodal t- and nk-cell lymphoma).