Sulfate ion Active Not Recruiting Phase 1 / 2 Trials for Stage IV Adult Diffuse Large Cell Lymphoma / Stage II Contiguous Adult Diffuse Large Cell Lymphoma / Ann Arbor Stage III Non-Hodgkin Lymphoma / Ann Arbor Stage II Non-Hodgkin Lymphoma / Stage II Non-Contiguous Adult Diffuse Large Cell Lymphoma / Stage III Adult Diffuse Large Cell Lymphoma / Ann Arbor Stage IV Non-Hodgkin Lymphoma Treatment