Phase II Study of 5-Day Hypofractionated Preoperative Radiation Therapy for Soft Tissue Sarcomas: Expansion Cohort

Inclusion Criteria: * Histologically confirmed soft tissue sarcoma of the extremity/trunk * Intermediate or high grade sarcoma * Resectable primary lesion (patients with pre-existing metastasis will be included if their primary is still going to be resected) * Recurrent, any grade, no previous radiation therapy * Karnofsky performance status (KPS) \>= 70 or Eastern Cooperative Oncology Group (ECOG) 0 - 2 * If a woman is of childbearing potential, a negative serum pregnancy test must be documented Exclusion Criteria: * Active treatment of a separate malignancy * History of prior irradiation to the area to be treated * Pre-operative chemotherapy (post-op acceptable)