RecruitingClinical trialOutcomes After Chimeric Antigen Receptor Therapy and Radiation Therapy for Hematologic MalignanciesThis study collects information on outcomes after chimeric antigen receptor therapy and radiation therapy for hematologic malignancies. Collecting information from patients before, during, and after receiving chimeric antigen receptor therapy or radiation therapy may help doctors to optimize patient selection, dose, timing, and sequencing of these treatments.