This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous (Neck), Subject name: Surgery
[{'content': 'Most common site for cystic Hygroma is - \nSelect and explain. \nA. Lower third of neck, B. Overlying the parotid gland, C. Along the Zygomatic Prominence, D. Post auricular', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Lower third of neck Neck MassMassSiteBranchial cystAnterior border of sternocleidomastoidThyroglossal cystMedian neckCystic HygromaPosterior triangle (lower third)Carotid Body TumourAnterior Triangle", 'role': 'assistant'}]