The forest plot showed that PPRC1 was associated with DFI in 4 tumors: ACC (HR = 1.07, p = 0.0020), ESCA (HR = 0.98, p = 0.0410), KIRP (HR = 1.06, p = 0.0410), and LIHC (HR = 1.02, p = 0.0250) (Figure 3E). Here, PPRC1 is linked to adrenal cortex carcinoma.