A Prospective Study on the Prediction Model of Para-aortic Lymph Node Metastasis

Exclusion Criteria

• •History of immune disease who need to take immunosuppressive drugs.
• •History of serious mental illness and brain functional disorder.
• •Other malignancies were diagnosed within five years or needed treatments.
• •Those who are unable or unwilling to accept surgical treatment/sign informed consent/comply with research requirements.
• •Without surgical conditions: 1) Chronic renal insufficiency or renal failure; 2) Liver insufficiency; 3)Chronic lung disease with restrictive respiratory dysfunction; 4) Cardiac dysfunction (patients with relative and absolute contraindications to surgery after consultation by cardiac physicians.
• •Patients who cannot understand the research regimen and refuse to sign the informed consent form.
• •Other concomitant diseases or special conditions seriously endanger the patient's health or interfere with the trial.