Analysis of the Immunobiology of Acute Myeloid Leukemia Relapses After Allogeneic Hematopoietic Stem Cell Transplant (HSCT) for the Generation of Guidelines and Personalized Therapeutic Pathways

This is not an interventional clinical study. This is a retrospective/prospective observational study on Relapsed AML Allogenic Transplanted patients. Additional samples will be collected during the standard practice.