A Diagnostic Nomogram of Pathologic Grade for Preoperative Risk Stratification in Upper Tract Urothelial Carcinoma. - Ma, Runzhuo; Xia, Haizhui; Qiu, Min; Tao, Liyuan; Lu, Min; Huang, Rui; Lu, Jian; Ma, Lulin (Clinical Medicine Insights: Oncology, 2020)