This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cardiovascular system, Subject name: Pathology
[{'content': 'Most common site of lymphangioima is- \nSelect and explain. \nA. kidney, B. head and Neck, C. Groin, D. Hea', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Lymphangiomas are the benign lymphatic counterpa of hemangiomas. Simple (capillary) lymphangiomas are slightly elevated or sometimes pedunculated lesions up to 1 to 2 cm in diameter that occur predominantly in the head, neck, and axillary subcutaneous tissues. Cavernous lymphangiomas (cystic hygromas) typically are found in the neck or axilla of children, and more rarely in the retroperitoneum. (Robbins basic pathology,9th edition,pg no.359)', 'role': 'assistant'}]