Fig. 3
Segmental resection and hemi-shoulder replacement for high-grade chondrosarcoma. a Preoperative anteroposterior and lateral X-rays. b MRI showed extensive cortical involvement and heterogeneous signals within the tumor. c Postoperative anteroposterior X-rays of 1Â week, 1Â year, and 3Â years showed that the prosthesis was in a stable position