Fig. 4.

Personalized LC-BM limb surgery procedure. A X-ray shows that the primary pulmonary nodule (23 mm) is located in the right lower lung lobe (arrow indicated), with spicules of margin and pleural indentation; B X-ray shows a low-density mass in the medullary cavity of the middle left femur, with damage of cortical bone and rough thickening of local periosteum; C preoperative body surface marking; D exposure of femur lesions and soft tissues that need to be removed; E measurement of the resected specimen of femur tumor; F installation of knee joint prosthesis, femoral head prosthesis, and femoral shaft prosthesis; G drainage tubes with negative pressure are placed, and the wound is sutured layer by layer; H and I postoperative X-ray shows a satisfactory prosthesis implantation