Neurocognitive Outcomes After Whole Brain Radiation Therapy for Hematologic Malignancies

This study looks at how whole-brain radiation therapy affects thinking and memory in people treated for blood cancers that have spread to the brain, such as lymphoma or leukemia. Researchers want to understand the long-term effects on brain function. **You may be eligible if...** - You are 18 or older - You received radiation therapy to the brain for a blood cancer (such as lymphoma, leukemia, or myeloma) - You are able to complete cognitive tests in English - If you have claustrophobia or mild cognitive issues, you may still qualify if these are managed with medication **You may NOT be eligible if...** - You did not receive whole-brain radiation for a blood cancer - You are unable to complete the required cognitive tests - You have severe, unmanaged claustrophobia or cognitive impairment Talk to your doctor to see if this trial is right for you.