...Do not meet the indications for transplantation (transplant indications include: age < 65 years old, high-risk group MDS patients; age < 65 years old, with severe cytopenia, ineffective after other treatments, or with genetic abnormalities with poor prognosis i.e. -7, 3q26 rearrangement, TP53 gene mutation, complex karyotype, monosomy karyotype lower-risk group patients.) or patients who refused to accept transplantation; 5. ...