{"classes":[{"categories":[{"measurements":[{"groupId":"OG000","value":"1"}]}]}],"denoms":[{"counts":[{"groupId":"OG000","value":"6"}],"units":"Participants"}],"description":"the return of disease after its apparent recovery/cessation.","groups":[{"description":"Patients receiving total body irradiation, stem cell infusion (allogeneic)transplantation using unrelated or partially matched allogeneic marrow or cord blood donors, busulfan, and cyclophosphamide.","id":"OG000","title":"Allogeneic Transplantation"}],"paramType":"COUNT_OF_PARTICIPANTS","reportingStatus":"POSTED","timeFrame":"3 Years","title":"Number of Participants With Relapse of Malignancy","type":"PRIMARY","unitOfMeasure":"Participants"}