The authors wish to acknowledge Jörg Kotzerke (Technical University of Dresden, Germany) for providing PET-CT images (Supplemental Figure 1), Ross Levine (Memorial Sloan Kettering Cancer Center, USA) for providing TET2-knockdown THP-1 AML cells, and Helena Jambor (Technical University of Dresden, Germany) for technical support. Here, TET2 is linked to acute myeloid leukemia.