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FIG 3. A, Axial CT scan in a patient with left vocal cord paralysis shows enlargement of the left piriform sinus (white arrow) and anteromedial deviation of the arytenoid cartilage (black arrow).
B, Axial CT scan in the same patient shows atrophy of the left thyroarytenoid muscle as evidenced by enlargement of the left laryngeal ventricle (white arrow) relative to the right.
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