| HSCT | Hematopoietic stem cell transplant |
| GVHD | Graft-versus-host disease |
| aGVHD | Acute graft-versus-host disease |
| cGVHD | Chronic graft-versus-host disease |
| MC | Mast cell |
| allo-HSCT | Allogeneic hematopoietic stem cell transplant |
| BOS | Bronchiolitis obliterans syndrome |
| Gy | Gray (unit of radiation) |
| AEU | Allergic-effector unit |
| MHC | Major histocompatibility complex |
| miHag | Minor histocompatibility antigen |
| allo-WT | Allogeneic transplant—Wild type recipients |
| allo-MCd | Allogeneic transplant—Mast cell-deficient recipients |