Development and external validation of a nomogram predicting prognosis of upper tract urothelial carcinoma after radical nephroureterectomy.

•Developed a novel nomogram to predict prognosis in upper tract urothelial carcinoma (UTUC) from Chinese population.•Nomogram was validated with independent external cohort with accurate performance.•Help stratify UTUC patients into different risk groups with distinct prognosis.•Nomogram of UTUC may help to facilitate decision-making and clinical trial designing.