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Thyroid nodule with an initial cytology diagnosis of suspicious for papillary thyroid carcinoma (Papanicolaou, ×400 [A] and ×600 [B]). Original histology diagnosis was follicular variant of papillary thyroid carcinoma. This nodule would currently be classified histologically as noninvasive follicular thyroid neoplasm with papillary-like nuclear features (H&E, ×100 [C] and ×400 [D]).
