Clinical Research Directory

Inclusion Criteria: 1. Age ≥ 18 years old; 2. Early-stage NSCLC patients underwent radical surgical resection; 3. Sufficient tumor tissue and blood sample for study use; 4. Available clinical-pathologic data, imaging data and follow-up date; 5. Written informed consent. Exclusion Criteria: 1. History of other malignant tumors; 2. Evidence of distant metastasis before surgery; 3. Insufficient tumor tissue or blood sample for study use; 4. Clinical-pathologic data, imaging data or follow-up date is not available; 5. Other judgments by the Investigator that the patient should not participate in the study.