Representative morphology (a, c, e, g) and positive HGF receptor immunostaining (b, d, f, h) in human musculoskeletal tumors. a, b: Clear cell sarcoma. c, d: Malignant fibrous histiocytoma. e, f: Giant cell tumor of bone. g, h: Chordoma. Inset, d: Met positivity seen in an abnormal mitotic figure in malignant fibrous histiocytoma.