In a cohort of paediatric acute lymphoblastic leukemia (ALL) patients (n = 430) from nine Brazilian cancer centers, genotyped by our group at INCA, the rs116855232 SNP which defines the no‐function NUDT15*2 and *3 alleles, occurred in heterozygosis with a MAF of 1.2%.22 This evidence concerns the gene NUDT15 and acute lymphoblastic leukemia.