Inclusion Criteria:  Diagnosis of histologically confirmed NSCLC (WHO 2015 classification) with resectable (stage I-IIIA) disease. Complete resection Age ≥18 years at the time of screening Capable of giving signed informed consent  Exclusion Criteria:  Mixed small cell and NSCLC histology Rx, R1 or R2 resection History of other malignant tumors within 5 years