Development and validation of a nomogram based on geriatric nutritional risk index for predicting prognosis and postoperative complications in surgical patients with upper urinary tract urothelial carcinoma

Pengjie Wu, Jianyong Liu, Xinhao Wang, Shicong Lai, Jiawen Wang, Jianye Wang, Jianlong Wang, Yaoguang Zhang, Qiang Hao, Jianlong Wang, Yaoguang Zhang, Qiang Hao