Graft vs Host ReactionGraft vs Host DiseaseGraft RejectionThoracic DuctTransplantation, HomologousTransplantation ImmunologyRadiation EffectsSpleenGraft SurvivalLymphocytesRejection (Psychology)T-LymphocytesGraft vs Tumor EffectKidney TransplantationGraft vs Leukemia EffectHeart TransplantationGraft Occlusion, Vascular