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: Medicine
Invesstigation of choice for interstitial disease is 
Select and explain. 
A. Chest X-ray, B. HRCT, C. Gallium-67 DTPA scan, D. MRI
B: HRCT
Answer: B: HRCT 
Explanation: None