Recipient genotypes of rs9277542 are associated with risks of aGVHD and recurrent malignancy in HLA-10/10-matched unrelated recipients. (A) Cumulative incidence of grade 2b to 4 aGVHD according to recipient rs9277542 genotypes in the replication cohort. Grades 2b to 4 aGVHD excludes isolated upper gastrointestinal GVHD. (B) Cumulative incidence of recurrent malignancy according to rs9277542 genotypes in the replication cohort.