Joint replacement surgery, Amputation, Limb salvage surgery, Rotationplasty, Bone cancer, Soft tissue sarcoma, Bone met...astasis, Liposarcoma, Ewing sarcoma, Chondrosarcoma, Angiosarcoma, Rhabdomyosarcoma, Epithelioid sarcoma, Sarcoma, Malignant peripheral nerve sheath tumors, Synovial sarcoma, Osteosarcoma, Bone tumor, Leiomyosarcoma, Dermatofibrosarcoma protuberans, Merkel cell carcinoma, Soft tissue tumor, Solitary fibrous tumor, Undifferentiated pleomorphic sarcoma, Myxofibrosarcoma