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