Fig. 3. Clinical course and the corresponding MRI scans. Open biopsy was first performed, and based on the findings, SRT and one course AFTV were performed. Six months after open biopsy, MRI showed regression of the tumor. MRI conducted at 42 months demonstrated significant regression of the tumor. The radiographic response indicated clinical improvement. AFTV, autologous formalin-fixed tumor vaccine; SRT, stereotacic radiotherapy.