This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cardiovascular Radiology, Subject name: Radiology
A 40 years old patient came to surgery OPD with swelling in the left lateral aspect of the neck. On examination, the swelling was painless, can be moved side to side but not up and down. No history of TB. Blood workup included thyroid profile and CBC which came to be normal. Ultrasound of swelling was performed and showed a highly vascular hypoechoic mass lesion anteriorly to the sternocleidomastoid muscle. Subsequently, a CT angio was performed. what is the Diagnosis ? 
Select and explain. 
A. Fibromatosis colli, B. Tubercular lymph node, C. Soft tissue sarcoma, D. Carotid body paraganglioma
D: Carotid body paraganglioma
Answer: D: Carotid body paraganglioma 
Explanation: Lyre sign- refers to the splaying of the internal and external carotid by a carotid body tumor. Fibromatosis colli is a rare form of infantile fibromatosis that occurs within the sternocleidomastoid muscle. USG is IOC.