PMC4590571_01
Preoperative photograph showing tumor progression and involvement of the area of previous amputation.
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The right arm mass measured 15 cm x14 cm x18 cm (Figure 1).
Preoperative computed tomography scan demonstrating a large anterior mediastinal mass.
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Computed tomography demonstrated an 8.1 cm x6.8 cm x6.4 cm anterior mediastinal mass at the level of the transverse aortic arch with severely narrowed left innominate vein with dilated collateral vessels and displaced left pulmonary artery (Figure 2).