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
65 year old man who is anaemic, complaints of back
pain, multiple radiolucencies in panaromic view 
Select and explain. 
A. Multiple myeloma, B. Osteosarcoma, C. Giant cell granuloma, D. Eosinophilic
A: Multiple myeloma
Answer: A: Multiple myeloma 
Explanation: None