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
"Lyre sign" is a feature of: 
Select and explain. 
A. Cystic hygroma, B. Branchial Fistula, C. Bezold's abscess, D. Carotid body tumor
D: Carotid body tumor
Answer: D: Carotid body tumor 
Explanation: "Lyre sign" is splaying of internal and external carotid arterics because of carotid body tumor, seen on carotid angiogram.