Immunostaining for TS and DPD in UTUC. Immunostaining for TS in pTa and low grade UTUC (A), and pT3 and high grade UTUC (C). Immunostaining for DPD in pTa and low grade UTUC (B), and pT3 and high grade UTUC (D). Bar indicates 0.1 mm. Kaplan-Meier analysis of progression-free survival (E) and disease-specific survival (F) of the overall patients treated with surgery for UTUC according to TS expression. Kaplan-Meier curves of the disease-specific survival (G) of the patients with pathological stage T2 or higher according to TS expression.