About the TIMP-3 expression in the database from TCGA, we categorized the urothelial bladder carcinoma into low tumor stage (stage I and II) and high tumor stage (stage III and IV), low tumor T status (T1 and T2) and high tumor T status (T3 and T4), no lymph node status (N0) and lymph node status (N1 to N3), and no metastasis (M0) and metastasis (M1). Here, TIMP3 is linked to bladder transitional cell carcinoma.