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
Planned radiation volume is: 
Select and explain. 
A. Depends on 90% of tumour size, B. Less than targeted radiation volume, C. More than targeted radiation volume, D. Equal to targeted radiation volume
C: More than targeted radiation volume
Answer: C: More than targeted radiation volume 
Explanation: Ans. More than targeted radiation volume