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). The gene discussed is TIMP3; the disease is neoplasm.