Exploration on the Value of MRD Based on ctDNA Detection in Predicting Recurrence of Resected Non-small Cell Lung Cancer

Exclusion Criteria

• •1. Individuals with a history of other malignant tumors within 5 years;
• •2. Those who have undergone neoadjuvant therapy before surgery;
• •3. Postoperative incision margin R1 or incision margin R2;
• •4. Those who have undergone a blood transfusion within 2 weeks before the surgery;
• •5. Individuals with systemic inflammatory response syndrome;
• •6. Those with serious diseases of important organs such as the heart, lungs, kidneys, and brain;
• •7. Participants in other clinical trials within the past 30 days and have taken investigational drugs;
• •8. Due to various reasons, sampling cannot be completed, samples do not meet the requirements, or baseline samples (preoperative and postoperative plasma samples, tumor tissue samples) are incomplete;
• •9. Researchers believe that it is not appropriate to participate in this experiment.