Potato swelling of sternum

219 widening [Figure 2] and bronchiectatic changes in the left lower lobe, computed tomographic (CT) scan of the chest [Figure 3] showed a large potato‐like mass behind manubrium and upper body of sternum with extensive irregular calcifications. Magnetic resonance imaging (MRI) of sternum [Figure 4] revealed a large retrosternal expansile destructive mass (size 5.2 cm × 7.8 cm × 6 cm, h, w, d) which was extending to anterior mediastinum and up to the carina, abutting and possibly adherent to a small segment of right brachiocephalic vein just distal to its junction with superior vena cava. The remaining mediastinal vessels including the aortic arch, left innominate vein, and the superior vena cava were free.

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