Risk Stratification Model to Predict High-Risk Patients for Adjuvant Chemotherapy in Upper Urinary Tract Urothelial Cancer

Kazuhiro Nagao^1*, Hideyasu Matsuyama¹, Kiyohide Fujimoto², Haruhito Azuma³, Hiroaki Shiina⁴, Shigeru Sakano¹, Yoshihiro Tatsumi², Teruo Inamoto³ and Hiroaki Yasumoto¹

¹Department of Urology, Graduate School of Medicine, Yamaguchi University, Ube, Yamaguchi, Japan

²Department of Urology, Nara Medical University, Kashihara, Nara, Japan

³Department of Urology, Osaka Medical College, Takatsuki, Osaka, Japan

⁴Department of Urology, Shimane University Faculty of Medicine, Izumo, Shimane, Japan

^*Corresponding Author: Kazuhiro Nagao, Department of Urology, Graduate School of Medicine, Yamaguchi University, 1-1-1, Minami-Kogushi, Ube, 755-0046, Yamaguchi, Japan, Tel: +81-836-22-2272 Email: