You are answering a USMLE-style medical question. Question: A 27-year-old female presents to her physician with a palpable thyroid nodule. Iodine uptake testing shows that the nodule has decreased iodine uptake compared with the rest of the thyroid gland. A fine-needle aspiration is performed and the physician calls telling the patient that she has a neoplasm of the thyroid. Which of the following diagnoses is the most likely? Options: A) Papillary carcinoma B) Medullary carcinoma C) Follicular carcinoma D) Anaplastic carcinoma Reply with ONLY the letter of the correct answer (A, B, C, or D). No explanation.