Growth characteristics of early-stage (IA) lung adenocarcinoma and its value in predicting lymph node metastasis.

"Declarations Ethics approval and consent to participateThis study conformed to the Declaration of Helsinki on Human Research Ethics standards and was approved by the institutional review board of the First Affiliated Hospital of Chongqing Medical University (No. K2023-083). The need for written, informed consent was waived because of the retrospective study. Consent for publicationAll authors contributed to the writing of the manuscript and consented to publication. Competing interestsThe authors have no relevant financial or non-financial interests to disclose. Competing interests The authors have no relevant financial or non-financial interests to disclose."

"Funding . Funding The research was supported by Chongqing Technology Innovation and Application Development Projects (No. CSTC2021jscx-ksbN0030), and Chongqing Science and Health Joint Medical Research Project (No. 2022ZDXM006)."