PB2447: PREEMPTIVE TREATMENT WITH PD-1 ANTIBODY FOR ACUTE MYELOID LEUKEMIA/MYELODYSPLASTIC SYNDROME WITH POSITIVE MINIMAL RESIDUAL DISEASE AFTER ALLOGENEIC HEMATOPOIETIC STEM CELL TRANSPLANTATION

• Ling MA,
• Yuqian Sun,
• Xiaojun Huang

Affiliations

Ling MA

1

Yuqian Sun

1

Xiaojun Huang

1