Age

18–any

Sex

ALL

Healthy volunteers

Not accepted

Adult patient ≥ 18 years
Patient agreeing to participate in the study
Patient with clinical stage IA lung lesions ≤ 2 cm in diameter AND a suspected or proven malignancy.
Chest CT scan available without and then with contrast
Eligible for VATS or RATS segmentectomy based on respiratory explorations

Patient refusal to participate in the study
Allergic reactions to radiographic contrast agents
History of ipsilateral cardiothoracic surgery
Open segmentectomy (thoracotomy)
Histology different from that of NSCLC
Inability to provide the subject with informed information (difficulty understanding the subject, insufficient command of French, etc.)
Pregnant or breastfeeding women
Severe cognitive impairment and/or suspicion of lack of compliance or adherence, in the investigator's judgment

Is 3D Modeling From Non-contrast CT Accurate for Minimally Invasive Lung Segmentectomies ?