Fig. 1

General information of patients before surgery. A Chest CT showed that the patient had a huge defect in the left anterior chest wall and part of the bone had been destroyed (Orange arrow). B After first-stage operation debridement of the left anterior chest wall sinus, the changes involved the sternum, rib and clavicle, and proliferative fresh granulation tissue was seen in some wound areas. C The range of pedicled latissimus dorsi myocutaneous flap was designed before operation. D Preoperative 3-D imaging showed high-density shadow and destruction of left clavicle, part of ribs and part of sternum