CCL5 and graft versus host disease: Previously, those two CCL5 SNPs were also reported to be associated with a higher risk of TNBC [30], as well as having a detrimental effect on the cumulative risk of the acute graft-versus-host disease and on relapse-free survival from human HLA-matched allo-HSCT (allogeneic hematopoietic stem cell transplantation) [30,45].