Department of Musculoskeletal Oncology and Rehabilitation,
National Cancer Center Hospital
Speaker
：
John H. Healey
Memorial Sloan Kettering Cancer Center Professor of Orthopaedic Surgery, USA
Invited lecture 2 Functional and Oncologic Outcome of Limb Salvage Surgery with Tumor Prosthesis for Malignant Bone Tumors of the Proximal Femur
Moderator
：
Takafumi Ueda
Department of Orthopaedic Surgery Kodama Hospital
Speaker
：
Young-Soo Chun
Department of Orthopaedic Surgery Chairman, Center for Joint Disease Kyung Hee University Hospitalat Gangdong, College of Medicine, Kyung Hee University, Korea
Invited lecture 3 Updates on soft tissue tumours from the 2020 World Health Organization Classification.
Moderator
：
Yoshinao Oda
Department of Anatomic Pathology Graduate School of Medical Sciences, Kyushu University
Speaker
：
Khin Thway
The Royal Marsden Hospital / Division of Molecular Pathology, The Institute of Cancer Research, London, UK
