Clinical tumor diagnostic markers for BC include Bladder Tumor Antigen (BTA), urine cytology (UroVysion), Urothelial Cancer-Associated Antigen 1 (UCA1), Cytokeratin-19 Fragment (CYFRA 21-1), and Bladder Cancer MCM6 marker [22,23]. The gene discussed is MCM6; the disease is urinary bladder cancer.