Hip replacement, Knee replacement, Bone biopsy, Joint replacement revision, Hemipelvectomy, Stem cell therapy, Hip repl...acement revision, Knee replacement revision, Hip core decompression, Hip decompression, Partial knee replacement, Soft tissue sarcoma surgery, Pelvic tumor surgery, Rotationplasty, Robot-assisted knee replacement, Direct anterior approach hip replacement, Hip fracture surgery, Surgical stabilization of metastatic bone cancer, Arthritis, Avascular necrosis, Bone cancer, Rhabdomyosarcoma, Ewing sarcoma, Osteosarcoma, Hip fracture, Hip dysplasia, Osteoarthritis, Hip arthritis, Synovial sarcoma, Bone metastasis, Osteosclerotic myeloma, Pelvic bone tumor, Osteoid osteoma, Benign bone tumor, Pelvis fracture, Osteochondroma, Chondrosarcoma, Pathologic fracture, Myxofibrosarcoma, Aneurysmal bone cyst, Giant cell tumor, Fibrosarcoma, Sarcoma, Liposarcoma, Chordoma, Periprosthetic fracture, Knee arthritis, Soft tissue sarcoma, Bone tumor, Prosthetic joint infection, Failed total knee replacement, Infected total knee replacement, Infected total hip replacement, Femoral nonunion, Failed total hip replacement