Have prior allogeneic bone marrow transplantation or solid organ transplant Prior treatment with any anti-PD- or anti-PD-L antibody, prior allogeneic bone marrow transplantation, or prior solid organ transplantation Patients with prior allogeneic bone marrow transplantation or prior solid organ transplantation Patients with prior allogeneic bone marrow transplantation or prior solid organ transplantation Patients must not have undergone prior allogeneic bone marrow transplantation or prior solid organ transplantation Patients must not have undergone prior allogeneic bone marrow transplantation or prior solid organ transplantation Patients with prior allogeneic bone marrow transplantation, double umbilical cord blood transplantation (dUCBT) or prior solid organ transplantation . Prior allogeneic bone marrow transplantation or prior solid organ transplantation; Has had any prior allogeneic solid organ or bone marrow transplantation. Prior organ transplantation or allogeneic bone marrow transplantation. Prior allogeneic or autologous bone marrow transplantation or other solid organ transplantation. Patients with prior allogeneic bone marrow transplantation or prior solid organ transplantation Patients with prior allogeneic bone marrow transplantation or prior solid organ transplantation Prior allogeneic bone marrow transplantation or solid organ transplant for another malignancy in the past MEDICATION-RELATED: Patients with prior allogeneic bone marrow transplantation or prior solid organ transplantation. Patients with prior allogeneic bone marrow transplantation or prior solid organ transplantation Prior allogeneic bone marrow transplantation or prior solid organ transplantation. (Atezolizumab-related exclusion) Patients with prior allogeneic bone marrow transplantation or prior solid organ transplantation Patients with a prior allogeneic bone marrow transplantation or prior solid organ transplantation Prior allogeneic bone marrow transplantation or prior solid organ transplantation Patients with prior allogeneic bone marrow transplantation or prior solid organ transplantation Patients with prior allogeneic bone marrow transplantation or prior solid organ transplantation Patients with a prior allogeneic bone marrow transplantation or prior solid organ transplantation Patient has history of severe allergic, anaphylactic, or other hypersensitivity reactions to chimeric or humanized antibodies or prior allogeneic bone marrow transplantation or prior solid organ transplantation Prior allogeneic or autologous bone marrow transplantation or other solid organ transplantation. Patients with prior allogeneic bone marrow transplantation or prior solid organ transplantation Patients with prior allogeneic bone marrow transplantation or prior solid organ transplantation. Prior allogeneic bone marrow transplantation or prior solid organ transplantation Patients with prior allogeneic bone marrow transplantation or prior solid organ transplantation Patients with prior allogeneic bone marrow transplantation or prior solid organ transplantation Patients with prior allogeneic bone marrow transplantation or prior solid organ transplantation Prior allogeneic bone marrow transplantation or prior solid organ transplantation Prior allogeneic bone marrow or solid organ transplantation Participants with prior allogeneic bone marrow transplantation or prior solid organ transplantation Participants with prior allogeneic bone marrow transplantation or prior solid organ transplantation Patient has a history of hematological malignancy within the last years prior to study entry; prior allogeneic bone marrow transplantation or prior solid organ transplantation Prior allogeneic bone marrow transplantation or solid organ transplant Patients with prior allogeneic bone marrow transplantation or prior solid organ transplantation Prior allogeneic bone marrow transplantation or prior solid organ transplantation Patients with prior allogeneic bone marrow transplantation or prior solid organ transplantation Patients with prior allogeneic bone marrow transplantation or prior solid organ transplantation Patients with prior allogeneic bone marrow transplantation or prior solid organ transplantation Patients with prior allogeneic solid organ transplantation Patients with prior allogeneic bone marrow transplantation or prior solid organ transplantation Patients with prior allogeneic bone marrow transplantation or prior solid organ transplantation Prior allogeneic bone marrow or solid organ transplantation Prior allogeneic bone marrow transplantation or prior solid organ transplantation Patients with prior allogeneic bone marrow transplantation or prior solid organ transplantation Prior allogeneic or autologous bone marrow transplantation or other solid organ transplantation. Participants with prior allogeneic bone marrow transplantation or prior solid organ transplantation Prior allogenic bone marrow transplantation or prior solid organ transplantation