SLC14A1 and renal pelvis/ureter urothelial carcinoma: Moreover, univariate and multivariate analyses indicated that, in addition to several important clinicopathological parameters, high SLC14A1 protein levels predict high disease-specific, metastasis-free survivals (P < 0.0001; Figure 1E, 1F) and serve as an independent prognostic marker in UTUC (Table 1) and UBUC patients (Table 2).