Fig. 1

Imaging of surgical posture details and surgical incision selection. A Right chest pad 30°high, right upper limb fixed to anesthesia frame, the operating incision and the observation incision are located in the third intercostal space of the anterior and sixth intercostal space of the anterior axillary line, respectively. B The thoracoscopic display is positioned on the left side of the patient, and the operator and an assistant are positioned on the right side of the patient