<unk>  <unk> , also known as<unk><unk>  of the pleura, is a rare mesenchymal<unk>  originating in the pleura or at virtually any site in the soft tissue including seminal vesicle. Approximately 78% to 88% of<unk> 's are benign and 12% to 22% are malignant. The World Health Organization (2020) classified SET as specific type of<unk>  in the category of malignant fibroblastic and myofibroblastic<unk> s.
Solitary fibrous tumor
Meningioma
Myxoid cyst
Peripheral ossifying fibroma
Collagenous fibroma
Pleomorphic fibroma
Ossifying fibromyxoid tumour
Aggressive fibromatosis