PML and obesity due to melanocortin 4 receptor deficiency: Five-year event-free Survival (EFS) is not affected by obesity, gender, initial bone marrow cellularity, initial TLC, initial platelet count, risk stratification to standard or high risk, PML RARA transcript subtype, FLT3-ITD mutation, receiving steroid with ATRA, differentiation syndrome, with no significant P-value, Table 3.