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(A) Papillary thyroid carcinoma, hematoxylin and eosin staining, magnification x 400; (B) Positive thyroglobulin immunostaining for papillary thyroid carcinoma, magnification x 400; (C) Negative thyroglobulin immunostaining in medullary thyroid carcinoma, magnification x 200.
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F1
The left thyroid lobe histology disclosed a tiny focus, two mm in size, consistent with micropapillary carcinoma (Figure  1).
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