This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Abdominal Radiography, Subject name: Radiology
Investigation of choice for minimal Ascites is? 
Select and explain. 
A. X Ray, B. USG, C. CT, D. MRI
B: USG
Answer: B: USG 
Explanation: ANSWER: (B) USGREF: Maingot's 10th ed p 101Investigation of choice for minimal Ascites is USG