PRR34 and acute promyelocytic leukemia: Interestingly, OS of patients with hypomethylated PRR34‐AS1 was shorter than that of patients with hypermethylated PRR34‐AS1 in the whole‐cohort AML and non‐APL‐AML (p = 0.010, Figure 3C; p = 0.032; Figure 3D).