CD5 + Relapsed/Refractory Hematopoietic Malignancies, Chronic Lymphocytic Leukemia (CLL), Mantle Cell Lymphoma (MCL), Diffuse Large B-cell Lymphoma (DLBCL), Follicular Lymphoma (FL), Peripheral T-cell Lymphomas (PTCL). The gene discussed is CD5; the disease is peripheral T-cell lymphoma, not otherwise specified.