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
'Murphy sign' is associated with: March 2004 
Select and explain. 
A. Acute cholecystitis, B. Pancreatic mass, C. Splenomegaly, D. Carcinoma colon
A: Acute cholecystitis
Answer: A: Acute cholecystitis 
Explanation: Ans. A i.e. Acute cholecystitis