HLA-G and acute lymphoblastic leukemia: The aim of this study was to investigate the effects of genotype and haplotypes in the 3’-UTR and 5’-URR of HLA-G gene on the mortality, the risk of disease relapse, and the development of GVHD for patients with acute myeloid leukemia (AML) and acute lymphoblastic leukemia (ALL) after receiving HSCT.