This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Neck, Subject name: Surgery
[{'content': "A 4-year-old boy is brought to the physician's office by his father for evaluation of small stature. A thyroid scan is ordered and shows no uptake in the neck. Which structure is embryologically related to the thyroid gland and should be carefully evaluated? SELECT ONE. \nSelect and explain. \nA. Foramen cecum, B. Foramen ovale, C. Foramen rotundum, D. Foramen spinosum", 'role': 'user'}, {'content': 'Answer: A \nExplanation: If the thyroid gland is absent from the neck, it may be in the lingual position at the foramen cecum. Excision of this lesion from the tongue will require thyroid hormone replacement.', 'role': 'assistant'}]