Chemo: chemotherapy; D: death prior to treatment; F: female; GKSRS: Gamma knife stereotactic radiosurgery; IB: interval between diagnosis of brain metastasis from chondrosarcoma in years (yr); M: male; NR: not reported; OS: overall survival in months; Radio: radiotherapy; SR: surgical resection; WBRT: whole brain radiotherapy; adiagnosed postmortem; bbrain metastasis diagnosed first; +: survival reported for at least the stated amount.