YTHDF1 and testicular germ cell tumor: In the Kaplan-Meier plotter database, higher YTHDF1 expression was associated with poorer RFS in TGCT (testicular germ cell tumors) (n = 105, HR = 5.37, P = 0.011; Figure 2K) and KIRP (n = 183, HR = 3.56, P = 0.027; Figure 2L).