title: The ultrastructural features of fibroxanthosarcoma.
mesh_terms: D003593:Cytoplasm / Q000648:ultrastructure; D005354:Fibrosarcoma / Q000473:pathology*; D006644:Histiocytes / Q000648:ultrastructure; D018219:Histiocytoma, Benign Fibrous / Q000473:pathology; D006801:Humans; D008297:Male; D008875:Middle Aged; D009940:Organoids / Q000648:ultrastructure; D012983:Soft Tissue Neoplasms / Q000473:pathology*; D013848:Thigh