The Positioning Method of Pulmonary Nodules in Thoracoscopic Surgery Based on CT Simulation Positioning System for Radiotherapy.

Inclusion and exclusion criteria Inclusion criteria: (1) The age is ≥18 years and ≤80 years; (2) nodules are considered as early lung cancer (GGOs larger than 8 mm, or have an increasing trend in size or density during observation, with ratio of the solid component to the tumor diameter at ≤25%), benign tumors, oligometastatic tumors, and other lesions with wedge resection indications; (3) nodules are located in the outer third of the lung parenchyma; (4) the closest distance between the nodule edge and the pleura is ≥5 mm and ≤20 mm; and (5) the function of each organ can tolerate general anesthesia and lung surgery.

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