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A 47-year-old man with a malignant solitary fibrous tumor of the pleura manifesting as a mediastinal tumor. The patient had a history of hemangiopericytoma and expired due to respiratory failure. The enhanced chest CT transverse image at the SVC-level mediastinal window shows a 4 cm oval mass with a smooth margin and homogenous attenuation in the anterior mediastinum, mimicking metastatic lymphadenopathy or other mediastinal tumors.
