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
For which malignancy, intensity Modulated Radiotherapy (IMRT) is the most suitable – 
Select and explain. 
A. Lung, B. Prostate, C. Leukemias, D. Stomach
B: Prostate
Answer: B: Prostate 
Explanation: Currently, IMRT is being used most extensively to treat cancers of the prostate, head & neck, and CNS.
Note:- IMRT has also been used in lung cancers, but only in limited situations