ECOG-ACRIN A Phase II Study of Venetoclax, Ibrutinib, Prednisone, Obinutuzumab, and Revlimid (ViPOR) in Relapsed or Refractory CD10-Negative Diffuse-Large B-Cell Lymphoma (DLBCL) and High-Grade B-Cell Lymphoma with MYC and BCL2 rearrangements (HGBCL-DH-BCL2) Adult CIRB - Late Phase Emphasis Active Available to Open