Changes in the diagnosis and treatment of soft tissue sarcoma in Japan, 1977-2016

The development of In Situ Preparation (ISP) isuseful for acquiring information that cannot be obtained with preoperativeimages as it allows for intraoperative evaluation of margins without the riskof tumor contamination, and the surgical technique could be consideredessential for limited resection. In most areas, the preservation of affectedlimbs was made possible by combining ISP with vascular reconstruction, flaptransplantation, joint arthroplasty, bone grafting, among other techniques. Inorder to improve the outcome for the treatment of sarcoma, which is a rarecancer, it is essential to consolidate facilities.