This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
The commonest site of lytic lesion in multiple myeloma is - 
Select and explain. 
A. Vertebral column, B. Femur, C. Clavicle, D. Pelvis
A: Vertebral column
Answer: A: Vertebral column 
Explanation: None