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: Surgery
Which is the commonest incidentaloma detected in the liver - 
Select and explain. 
A. Focal nodular hyperplasia, B. Haemangioma, C. Hepatocellular adenoma, D. Hydatid cyst
B: Haemangioma
Answer: B: Haemangioma 
Explanation: None