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CK19, TG, Ki67 and galectin-3 immunoreactivity in PTC and nonmalignant thyroid lesion. A-E: HE, CK19, TG, Ki67 and galectin-3 staining in PTC; a-e: HE, CK19, TG, Ki67 and galectin-3 staining in nonmalignant thyroid lesion. Scale bar: 50 μm.
