The first competing risk survival nomogram in patients with papillary renal cell carcinoma oleh Xing Su, Niu-Niu Hou, Li-Jun Yang, Peng-Xiao Li, Xiao-Jian Yang, Guang-Dong Hou, Xue-Lin Gao, Shuai-Jun Ma, Fan Guo, Rui Zhang, Wu-He Zhang, Wei-Jun Qin, Fu-Li Wang