RT Book, Section A1 Doherty, Gerard M. SR Print(0) ID 58100188 T1 Retroperitoneal Sarcoma T2 Quick Answers Surgery YR 2010 FD 2010 PB The McGraw-Hill Companies PP New York, NY SN LK accesssurgery.mhmedical.com/content.aspx?aid=58100188 RD 2024/10/10 AB • Mesenchymal-derived soft-tissue neoplasms• Metastasize via the hematogenous route with the majority of metastases to the liver or lung• Behavior tends to be dictated by tumor grade rather than cell type of origin• Rarely cause symptoms until they grow to a large size• Vague abdominal symptoms are the most common presenting complaint