Pathology A 50 year old patient presents with a lesion in the midline involving the sacrum. It is found to be sclerotic. What is the most probable diagnosis ? A Metastatic B Chordoma C Osteosarcoma D Chondrosarcoma 💡 Explanation A 50 year old patient presents with a lesion in the midline involving the sacrum. It is found to be sclerotic. What is the most probable diagnosis ? ✓ Correct Answer: B. Chordoma