PRCC and bladder transitional cell carcinoma: Disease-free survival (DFS) analysis results, shown in Figure 2C, revealed that high expression of TCOF1 was correlated with poor prognosis in BLCA (P = 0.031), KICH (P = 0.033), PRCC (P = 0.019), and LIHC (P = 0.05) in TCGA datasets.