Rare neoplasms of mesenchymal origin, usually benign, and most commonly involving the PLEURA (see SOLITARY FIBROUS TUMOR, PLEURAL). They also are found in extrapleural sites.
Synonyms: Solitary Fibrous Tumor Solitary Fibrous Tumors Fibrous Tumors, Solitary Tumors, Solitary Fibrous Fibrous Tumor, Solitary Tumor, Solitary Fibrous
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