Association Between Circulating Immune Cells and the Tumor Immune Contexture in Resectable Non-small Cell Lung Cancer

Inclusion Criteria: * Men and women over 18 years of age * Histologically- or cytologically- confirmed non-small cell lung cancer diagnostic * Stage I, II or IIIA NSCLC (according to version 7 of the International Association for the Study of Lung Cancer Staging Manual in Thoracic Oncology). Staging must have included an abdominal and thoracic CTscan, a CTscan or MRI of the brain and a 18FDG PETscan * Subjects for whom a surgical resection is indicated * Signed written informed consent Exclusion Criteria: * \- previous, ongoing or planned neo-adjuvant treatment (chemotherapy, targeted therapy, immunotherapy or radiotherapy) * contraindications to general anesthesia * contraindication to the planned surgical resection * history of immunosuppressive disorder * known history of testing positive for human immunodeficiency virus * subjects with a condition requiring systemic treatment with either corticosteroids or other immunosuppressive medications within 30 days of randomization. * clinical suspicion of active infection (either acute or chronic) * severe (hemoglobin \< 8.0 g/dL) or symptomatic anemia * women of childbearing potential must have a negative urine pregnancy test * women must not be breastfeeding * prisoners or subjects who are involuntarily incarcerated * subjects under guardianship