Optimal timing of surgery for gastric cancer after neoadjuvant chemotherapy: a systematic review and meta-analysis.

"Declarations Ethics approval and consent to participateNot applicable. Competing interestsThe authors declare no competing interests. Competing interests The authors declare no competing interests."

"Funding (1) Medical Science and Technique Project of Health Commission of Sichuan Province (No. 21PJ043), (2) Natural Science Foundation of Sichuan Province (No. 23NSFSC1611), and (3) Post-Doctor Research Project, West China Hospital, Sichuan University (No. 2020HXBH162)."

"The Preferred Reporting Items for Systematic Review and Meta-Analysis Protocols (PRISMA-P) 2015 [] criteria were followed throughout the course of this systematic review and meta-analysis. On October 18, 2022, we prospectively registered this study on PROSPERO with the identifier CRD42022365196 as part of our project. Methods: Beginning on November 12, 2022, we searched the PubMed, Cochrane Library, Web of Science databases, and Embase.com databases for relevant English-language research. Two authors independently screened the studies, assessed their quality, extracted the data, and analyzed the results. The primary goal was to investigate the relationship between the time interval to surgery (TTS) and long-term survival outcomes for patients. This study has been registered with PROSPERO (CRD42022365196)."