Percent Necrosis in Extremity Soft Tissue Sarcoma After Preoperative Radiation Alone Versus Preoperative Radiation and Chemotherapy - Haglund, K.E.; Goldberg, S.; Rosenberg, A.; Harmon, D.; Kirsch, D.; Hornicek, F.; Springfield, D.; Raskin, K.; Choy, E.; DeLaney, T. (International Journal of Radiation Oncology, Biology, Physics, 2007)