Participants with lymphomas and Hodgkin's disease will need a computed tomography (CT) scan of the chest, abdomen, and pelvis performed before transplant, then as needed during the first 100 days after transplant, and then every 3 months for the first year after transplant. After that, these scans will be done yearly. You will be on study for 1 year but then will be followed yearly as is standard of care.