2. Patients aged 18-75 years of age are eligible. Patients with age > 18 and ≤ 50 years will be eligible for myeloablative conditioning (MAC), while patients > 50 years of age, or those with previous history of autologous transplantation, high hematopoietic cell transplant comorbidity index (HCT-CI) score (>2), and baseline diagnosis of hodgkin's lymphoma, chronic lymphocytic leukemia and follicular lymphoma will be suitable for reduced intensity conditioning (RIC) transplantation (however intensity of conditioning regimen will remain at the discretion of treating physician).