Fig. 2

Histology study. a Low-power view shows a mesenchymal tumor with pseudo capsule (thick blue arrow). The cells are spindle to stellate and arranged in sweeping fascicles and vague storiform pattern (thin blue circle). Staining: hematoxylin and eosin (H/E); magnification: ×4. b Cells are spindle to stellate in shape (thin black arrow) with no pleomorphism or mitotic activity. Staining: H/E; magnification ×10