Orthopaedics Ohopedics Oncology 3db3c78b Which of the following is not a benign bone tumor? A Osteoid osteoma B Chondroma C Enchondroma D Chordoma High-Yield Explanation Chordoma is a slow growing malignant tumor arising from notochordal remnants. Late pulmonary metastasis can occur in 9% of cases.