AUTHOR=Wang Haixin , Huang Haiwen , Hao Han , Xi Zhijun TITLE=Correlation analysis of preoperative renal insufficiency with major complications in patients who received a radical cystectomy and pelvic lymph node dissection: results of a retrospective observational analysis from a single center JOURNAL=Frontiers in Oncology VOLUME=14 YEAR=2024 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2024.1453346 DOI=10.3389/fonc.2024.1453346 ISSN=2234-943X