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Figure 11. Ill-defined haziness over the heart border on a plain radiograph of the chest of a 55-year-old man with a parasternal swelling suggested an extraparenchymal lesion. (a) A section through the mid-thorax shows a low attenuation peripherally enhancing lesion with intrathoracic and extrathoracic components. (b) A section taken a few centimetres caudal shows pericardial thickening and indentation of cardiac contour by the "cold abscess".

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