summary Fibrosarcoma of Soft tissue is a malignant fibrogenic tumor that occurs in patients between 55-80 years of age. Diagnosis is made with a biopsy showing spindle-shaped cells with scant cytoplasm and indistinct borders with tissue that is organized in herringbone fashion. Treatment is usually wide local resection with radiation Symptoms Presentation usually and enlarging painless mass usually symptoms develop after mass reaches ten cm Imaging Radiograph are usually normal MRI shows deep seated inhomogeneous mass Histology Classic characteristics are fasiculated growth pattern spindle-shaped cells with scant cytoplasm and indistinct borders cells separated by interwoven collagen fibers tissue may be organized in herringbone fashion Treatment Operative wide local resection with perioperative radiation indications login to view 1 more bullet radiation login to view 1 more bullet local adjuvant treatment login to view 1 more bullet