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Coronal (top) and axial (bottom) MRI scan of a giant intrathoracic goiter

Coronal (top) and axial (bottom) MRI scan of a giant intrathoracic goiter
Marked tracheal narrowing; venous collaterals in the subcutaneous fat of the anterior chest wall suggest chronic superior vena cava (SVC) compression.
MRI: magnetic resonance imaging.
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