Sarcoma EXTREMITY Filename Rosenberg-Limb-sparing-sarcoma-surgery-Ann-Surg-1982 RETROPERITONEAL Filename Retroperitoneal-STS-MSKCC-Ann-Surg-1998 METASTATIC Filename PALETTE-pazopanib-metastatic-sarcoma-Lancet-2012 Pulmonary-metastasectomy-sarcoma-Ann-Thor-Surg-2009 GIST