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: Radiology
Earliest & characteristic radiological finding of leukemia 
Select and explain. 
A. Translucent transverse metaphyseal bands, B. Metaphyseal Osteosclerosis, C. Periosteal reaction, D. Metaphyseal cortical erosions
A: Translucent transverse metaphyseal bands
Answer: A: Translucent transverse metaphyseal bands 
Explanation: All the above are the findings of leukemia. But Earliest & characteristic finding is option A.