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CT Neck revealed a goitrous left lobe of thyroid, measuring 9 cm in its greatest dimension (craniocaudal), extending posterior to the great vessels, 3.4 cm below the level of the superior manubrium. The tracheal axis is shifted to the right and about 2 cm below the cricoid cartilage, the trachea is compresssed for a length of 5 cm, causing approximately 40% tracheal lumen cross-sectional narrowing.