Mutational status of biCEBPA^CCSposand biCEBPA^CCSnegremission samples (age is given in brackets). (A) Four out of 5 biCEBPA^CCSpos patients had persisting clones in CR, indicating a clonal hematopoiesis. (B) None of the 5 biCEBPA^CCSneg samples had a detectable mutation load at the time of remission. Dx, diagnosis.