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Computed tomography scans of a representative patient with PSCCT. A nodule with mixed density is found in the right thyroid gland, across the isthmus to the left thyroid lobe, with a size of approximately 3.3 cm × 3.4 cm. The right bronchus was compressed, displaced and invaded. Image view: (A,B) horizontal; (C) sagittal; (D) coronal. PSCCT, primary squamous cell carcinoma of the thyroid.
