AUTHOR=Liu Jianyong , Wang Haoran , Wu Pengjie , Wang Jiawen , Wang Jianye , Hou Huimin , Wang Jianlong , Zhang Yaoguang 

TITLE=Corrigendum: A simplified frailty index and nomogram to predict the postoperative complications and survival in older patients with upper urinary tract urothelial carcinoma

JOURNAL=Frontiers in Oncology

VOLUME=15

YEAR=2025

URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2025.1575599

DOI=10.3389/fonc.2025.1575599

ISSN=2234-943X