3Evans H L, Low-grade, Fibromyxoid, et al. Report of two metastasizing neoplasms, having a deceptively benign appearanee[J]. Am J Chin Pathol, 1987, 88: 615.
4Evans H L, Low-grade, fibromyxoid, et al. report of 12 case [J]. Am J Surg Pathol, 1993, 17: 595.