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Dedifferentiated chondrosarcoma: A survival analysis of 159 cases from the SEER database (2001‐2011)

Dedifferentiated chondrosarcoma is a rare malignancy with reported 5‐year overall survival rates ranging from 7% to 24%. The purpose of this investigation is to determine the overall survival of dedifferentiated chondrosarcoma in a modern patient series and how it is impacted by patient demographics, tumor characteristics, and surgical treatment factors.