THBS4 and bladder transitional cell carcinoma: Our analysis of human bladder urothelial carcinoma datasets using the online Gene Expression Profiling Interactive Analysis 2 (GEPIA2) and Gene Expression database of Normal and Tumor tissues 2 (GENT2) tool revealed that TSP4 was highly associated with clinical disease stage (****P < .0001) (Figure 1B) and primary tumour status (T) (Figure 1C; Table. 1), respectively.