This study aims to identify risk factors-including clinical and imaging indicators such as middle rectal artery (MRA) diameter-that may be associated with lateral lymph node metastasis (LLNM) in rectal cancer located below the peritoneal reflection, and to construct a corresponding predictive model.The main questions it aims to answer are: What factors are associated with clinically suspected lateral lymph node metastasis in rectal cancer below the peritoneal reflection? Can an effective predictive model be constructed based on these factors? Participants' clinical information has been collected for statistical analysis.
Age range
18 Years – 75 Years
Sex
ALL
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A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.
Independent Risk Factors for Clinically Suspected Lateral Lymph Node Metastasis (cLLNM)
Timeframe: At the time of preoperative assessment (Data collected retrospectively from January 2022 to December 2024).