Preoperative and Postoperative ctDNA Comparison in Early Stage Lung Cancer

Preoperative and Postoperative ctDNA Comparison in Early Stage Lung Cancer

Mutation-positive peripheral blood ctDNA became mutation-negative after surgical removal of the cancer tissue. All subjects in the control group were negative for ctDNA mutations。

Inclusion Criteria:Patients with pulmonary nodules who underwent curative-intent resection were able to enter the study -

Exclusion Criteria:Patients who received any invasive examination or treatment prior to resection or had a history of malignancy; patients who do not attend follow up after surgery; blood samples that were contaminated; and biopsies that exhibited advanced lung cancer in pathology。

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