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
The usual radiographic appearance of an osteosarcoma is: 
Select and explain. 
A. Discrete radiolucency with regular borders, B. Multicystic radiolucency with a soap bubble appearance with an irregular peripheral border, C. Sunburst pattern with radiopaque strands extending from the cortical plates, D. Cotton wool appearance with an irregular peripheral border
C: Sunburst pattern with radiopaque strands extending from the cortical plates
Answer: C: Sunburst pattern with radiopaque strands extending from the cortical plates 
Explanation: None