fig3

Figure 3. Intraoperative images of Thoracoscopy-Assisted surgery group. (A) Prior to extending the incision, a thoracoscope was inserted to evaluate the rib fractures, with the yellow arrow indicating the thoracoscope in situ; (B) Under thoracoscopy, the site of rib fracture and the fracture fragments were clearly visualized, as indicated by the yellow arrow; (C) The incision measures approximately 8 cm in length.