RecruitingDrug trialTrial of ONC-PluReceptor NK Cells With Epcoritamab and Tafasitamab for Patients With Recurrent or Refractory B-cell Non-Hodgkin LymphomaThe goal of this clinical research study is to learn if ONC-PluReceptor NK cell therapy (combined with the monoclonal antibody therapies epcoritamab and tafasitamab) can help to control relapsed or refractory B-cell Non-Hodgkin Lymphoma. The safety of this treatment will also be studied.