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: Orthopaedics
False about Giant cell tumor 
Select and explain. 
A. Sun ray apppearance on x-ray, B. Epiphyseal tumor, C. Soap bubble appearance on x-ray, D. Treated with extended currettage
A: Sun ray apppearance on x-ray
Answer: A: Sun ray apppearance on x-ray 
Explanation: None