Department of Orthopedics Guangzhou First People’s Hospital Guangzhou China;
Department of Neurology Guangzhou First People’s Hospital Guangzhou China;
Department of Orthopedics Guangzhou First People’s Hospital Guangzhou China;
Department of Orthopedics Guangzhou First People’s Hospital Guangzhou China;
Malignant Tumors; Proximal Femoral Pathological Fracture; Endoparasitic Proximal Femoral Replacement; Conservative Treatment;