Secondary Chondrosarcoma Presenting with Symptoms Similar to Thoracic Outlet Syndrome
(a) T1-weighted magnetic resonance image (MRI). (b) T2-weighted MRI of fat suppression. (c) Contrast-enhanced T1-weighted preoperative MRI of fat suppression, axial view, showing a well-demarcated osseous lesion in the retroclavicular space with a thickened cartilaginous cap at the periphery of the tumor.
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