Soft tissue sarcoma surgery, Amputation, Limb salvage surgery, Rotationplasty, Hemipelvectomy, Sacrectomy, Vertebrectom...y, Bone cancer, Soft tissue sarcoma, Bone metastasis, Liposarcoma, Ewing sarcoma, Chondrosarcoma, Angiosarcoma, Rhabdomyosarcoma, Epithelioid sarcoma, Pancoast tumor, Sarcoma, Spinal tumor, Malignant peripheral nerve sheath tumors, Synovial sarcoma, Osteosarcoma, Bone tumor, Leiomyosarcoma, Dermatofibrosarcoma protuberans, Chordoma, Vertebral tumor, Merkel cell carcinoma, Soft tissue tumor, Solitary fibrous tumor, Undifferentiated pleomorphic sarcoma, Myxofibrosarcoma, Pelvic bone tumor